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62 vulnerabilities found for Smartermail by Smartertools
CVE-2026-104084 (GCVE-0-2026-104084)
Vulnerability from nvd – Published: 2026-10-09 15:08 – Updated: 2026-10-09 19:38
VLAI
EPSS
VEX
Title
SmarterMail < Build 9777 Stale JWT Role Claim Privilege Escalation via Refresh Token
Summary
SmarterMail before build 9777 contains a privilege escalation vulnerability where JWT access and refresh tokens embed a role claim at issuance that is not revalidated against the account's current role when redeemed through POST /api/v1/auth/refresh-token. Attackers who capture a refresh token issued before an administrator demotion, or a demoted user whose session was not actively polling at the time of demotion, can replay the stale token to obtain a new access token retaining the higher-privilege role (such as DomainAdmin or SysAdmin) until natural token expiry.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 19:38 UTC
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartermail-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smartertools | Smartermail |
Affected:
0 , < Build 9777
(custom)
|
Date Public
2026-10-08 00:00
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CVE-2026-104083 (GCVE-0-2026-104083)
Vulnerability from nvd – Published: 2026-10-09 15:06 – Updated: 2026-10-09 15:06
VLAI
EPSS
VEX
Title
SmarterMail < Build 9777 Stored Mutation XSS via MathML Foreign Content
Summary
SmarterMail before build 9777 contains a stored mutation cross-site scripting vulnerability that allows remote attackers to inject executable script by placing payloads inside a <style> element nested within MathML foreign content (<math><mtext><mglyph>), which the custom HTML sanitizer treats as inert CDATA text but browsers reparse as live markup. Attackers can deliver a crafted calendar (iCal) message containing an <img src=x onerror=...> payload that executes automatically in the recipient's webmail session at /interface/message-iframe when the message is opened, enabling script execution and data exfiltration unconstrained by the interface's permissive Content-Security-Policy.
Severity
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartermail-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smartertools | Smartermail |
Affected:
0 , < Build 9777
(custom)
|
Date Public
2026-10-08 00:00
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CVE-2026-104082 (GCVE-0-2026-104082)
Vulnerability from nvd – Published: 2026-10-09 15:05 – Updated: 2026-10-09 15:05
VLAI
EPSS
VEX
Title
SmarterMail < Build 9777 SysAdmin Remote Code Execution via Volume Mount
Summary
SmarterMail before build 9777 contains a remote code execution vulnerability that allows an attacker holding a SysAdmin-scoped access token to bypass the Volume Mount script-directory containment control by provisioning a new mail domain with an arbitrary FileStore root path inside the trusted Scripts directory via the domain-put endpoint. Attackers can disclose the Scripts path through the AddOrUpdateMount endpoint, clear the upload extension blacklist via the global-mail endpoint, then upload a malicious script through the ordinary mail file-storage upload API so that saving a CommandMount triggers RunScript before validation, resulting in a reverse shell executing as the SmarterMail service account with SYSTEM-level privileges.
Severity
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartermail-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smartertools | Smartermail |
Affected:
0 , < Build 9777
(custom)
|
Date Public
2026-10-08 00:00
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CVE-2026-7807 (GCVE-0-2026-7807)
Vulnerability from nvd – Published: 2026-05-08 19:54 – Updated: 2026-07-14 22:03
VLAI
EPSS
VEX
Title
SmarterTools SmarterMail < Build 9560 Server Local File Inclusion via the /api/v1/report/summary/{type} API
Summary
SmarterTools SmarterMail builds prior to 9560 contain a local file inclusion vulnerability in the /api/v1/report/summary/{type} API endpoint that allows authenticated users to read arbitrary .json files on the system. Attackers can exploit this vulnerability combined with weak encryption algorithms and hardcoded keys to decrypt and access stored passwords and 2FA secrets for all users.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-09 03:56 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools Inc. | SmarterMail |
Affected:
0 , < 9560
(custom)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
Date Public
2026-05-08 20:00
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CVE-2026-40514 (GCVE-0-2026-40514)
Vulnerability from nvd – Published: 2026-04-27 14:21 – Updated: 2026-07-14 20:00
VLAI
EPSS
VEX
Title
SmarterTools SmarterMail < Build 9610 Cryptographic Weakness via Weak RNG
Summary
SmarterTools SmarterMail builds prior to 9610 contain a cryptographic weakness in the file and email sharing endpoints that use DES-CBC encryption with keys and initialization vectors derived from System.Random seeded with insufficient entropy, reducing the seed space to approximately 19,000 possible values. An unauthenticated attacker can use the attachment download endpoint as an oracle to determine the seed in use and derive encryption keys and initialization vectors to forge sharing tokens for arbitrary emails, attachments, or file storage contents without prior access to the targeted content.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 19:06 UTC
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools Inc. | SmarterMail |
Affected:
0 , < 100.0.9610
(semver)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2026-26930 (GCVE-0-2026-26930)
Vulnerability from nvd – Published: 2026-02-16 16:27 – Updated: 2026-02-22 19:08
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail before 9526 allows XSS via MAPI requests.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 14:46 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
0 , < 9526
(custom)
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CVE-2026-25067 (GCVE-0-2026-25067)
Vulnerability from nvd – Published: 2026-01-29 03:38 – Updated: 2026-03-05 01:30
VLAI
EPSS
VEX
Title
SmarterTools SmarterMail < Build 9518 Unauthenticated background-of-the-day Path Coercion
Summary
SmarterTools SmarterMail versions prior to build 9518 contain an unauthenticated path coercion vulnerability in the background-of-the-day preview endpoint. The application base64-decodes attacker-supplied input and uses it as a filesystem path without validation. On Windows systems, this allows UNC paths to be resolved, causing the SmarterMail service to initiate outbound SMB authentication attempts to attacker-controlled hosts. This can be abused for credential coercion, NTLM relay attacks, and unauthorized network authentication.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-29 17:51 UTC
CWE
- CWE-706 - Use of Incorrectly-Resolved Name or Reference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
0 , < 100.0.9518
(semver)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2026-24423 (GCVE-0-2026-24423)
Vulnerability from nvd – Published: 2026-01-23 16:53 – Updated: 2026-08-04 03:56Title
SmarterTools SmarterMail < Build 9511 Unauthenticated RCE via ConnectToHub API
Summary
SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method. The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS command. This command will be executed by the vulnerable application.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-05 00:00 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://code-white.com/public-vulnerability-list/… | third-party-advisory |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
0 , < 100.0.9511
(semver)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2026-23760 (GCVE-0-2026-23760)
Vulnerability from nvd – Published: 2026-01-22 14:35 – Updated: 2026-08-04 03:56 X_Known Exploited VulnerabilityTitle
SmarterTools SmarterMail < Build 9511 Authentication Bypass via Password Reset API
Summary
SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a reset token when resetting system administrator accounts. An unauthenticated attacker can supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance. NOTE: SmarterMail system administrator privileges grant the ability to execute operating system commands via built-in management functionality, effectively providing administrative (SYSTEM or root) access on the underlying host.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 00:00 UTC
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://labs.watchtowr.com/attackers-with-decompi… | technical-descriptionexploit |
| https://code-white.com/public-vulnerability-list/… | third-party-advisory |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
| https://www.huntress.com/blog/smartermail-account… | third-party-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
0 , < 100.0.9511
(custom)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2025-52691 (GCVE-0-2025-52691)
Vulnerability from nvd – Published: 2025-12-29 02:15 – Updated: 2026-02-26 16:07Title
Upload Arbitrary Files
Summary
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
Severity
10 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-27 04:55 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.csa.gov.sg/alerts-and-advisories/aler… | |
| https://github.com/watchtowrlabs/watchTowr-vs-Sma… | exploit |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
SmarterMail versions Build 9406 and earlier
|
Date Public
2025-12-29 02:11
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CVE-2023-48116 (GCVE-0-2023-48116)
Vulnerability from nvd – Published: 2023-12-21 00:00 – Updated: 2024-08-02 21:23
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored XSS via a crafted description of a Calendar appointment.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2023-48115 (GCVE-0-2023-48115)
Vulnerability from nvd – Published: 2023-12-21 00:00 – Updated: 2024-08-02 21:23
VLAI
EPSS
VEX
Summary
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Severity
No CVSS data available.
CWE
- n/a
Assigner
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CVE-2023-48114 (GCVE-0-2023-48114)
Vulnerability from nvd – Published: 2023-12-21 00:00 – Updated: 2024-08-02 21:23
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored XSS by using image/svg+xml and an uploaded SVG document. This occurs because the application tries to allow youtube.com URLs, but actually allows youtube.com followed by an @ character and an attacker-controlled domain name.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-43977 (GCVE-0-2021-43977)
Vulnerability from nvd – Published: 2021-11-17 16:54 – Updated: 2024-08-04 04:10
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows XSS.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | x_refsource_MISC |
| https://csirt.divd.nl/cases/DIVD-2021-00006/ | x_refsource_MISC |
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CVE-2021-32234 (GCVE-0-2021-32234)
Vulnerability from nvd – Published: 2021-11-17 16:54 – Updated: 2024-08-03 23:17
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows remote code execution.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | x_refsource_MISC |
| https://csirt.divd.nl/cases/DIVD-2021-00006/ | x_refsource_MISC |
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CVE-2026-104084 (GCVE-0-2026-104084)
Vulnerability from cvelistv5 – Published: 2026-10-09 15:08 – Updated: 2026-10-09 19:38
VLAI
EPSS
VEX
Title
SmarterMail < Build 9777 Stale JWT Role Claim Privilege Escalation via Refresh Token
Summary
SmarterMail before build 9777 contains a privilege escalation vulnerability where JWT access and refresh tokens embed a role claim at issuance that is not revalidated against the account's current role when redeemed through POST /api/v1/auth/refresh-token. Attackers who capture a refresh token issued before an administrator demotion, or a demoted user whose session was not actively polling at the time of demotion, can replay the stale token to obtain a new access token retaining the higher-privilege role (such as DomainAdmin or SysAdmin) until natural token expiry.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 19:38 UTC
CWE
- CWE-613 - Insufficient Session Expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartermail-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smartertools | Smartermail |
Affected:
0 , < Build 9777
(custom)
|
Date Public
2026-10-08 00:00
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CVE-2026-104083 (GCVE-0-2026-104083)
Vulnerability from cvelistv5 – Published: 2026-10-09 15:06 – Updated: 2026-10-09 15:06
VLAI
EPSS
VEX
Title
SmarterMail < Build 9777 Stored Mutation XSS via MathML Foreign Content
Summary
SmarterMail before build 9777 contains a stored mutation cross-site scripting vulnerability that allows remote attackers to inject executable script by placing payloads inside a <style> element nested within MathML foreign content (<math><mtext><mglyph>), which the custom HTML sanitizer treats as inert CDATA text but browsers reparse as live markup. Attackers can deliver a crafted calendar (iCal) message containing an <img src=x onerror=...> payload that executes automatically in the recipient's webmail session at /interface/message-iframe when the message is opened, enabling script execution and data exfiltration unconstrained by the interface's permissive Content-Security-Policy.
Severity
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartermail-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smartertools | Smartermail |
Affected:
0 , < Build 9777
(custom)
|
Date Public
2026-10-08 00:00
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CVE-2026-104082 (GCVE-0-2026-104082)
Vulnerability from cvelistv5 – Published: 2026-10-09 15:05 – Updated: 2026-10-09 15:05
VLAI
EPSS
VEX
Title
SmarterMail < Build 9777 SysAdmin Remote Code Execution via Volume Mount
Summary
SmarterMail before build 9777 contains a remote code execution vulnerability that allows an attacker holding a SysAdmin-scoped access token to bypass the Volume Mount script-directory containment control by provisioning a new mail domain with an arbitrary FileStore root path inside the trusted Scripts directory via the domain-put endpoint. Attackers can disclose the Scripts path through the AddOrUpdateMount endpoint, clear the upload extension blacklist via the global-mail endpoint, then upload a malicious script through the ordinary mail file-storage upload API so that saving a CommandMount triggers RunScript before validation, resulting in a reverse shell executing as the SmarterMail service account with SYSTEM-level privileges.
Severity
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartermail-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Smartertools | Smartermail |
Affected:
0 , < Build 9777
(custom)
|
Date Public
2026-10-08 00:00
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CVE-2026-7807 (GCVE-0-2026-7807)
Vulnerability from cvelistv5 – Published: 2026-05-08 19:54 – Updated: 2026-07-14 22:03
VLAI
EPSS
VEX
Title
SmarterTools SmarterMail < Build 9560 Server Local File Inclusion via the /api/v1/report/summary/{type} API
Summary
SmarterTools SmarterMail builds prior to 9560 contain a local file inclusion vulnerability in the /api/v1/report/summary/{type} API endpoint that allows authenticated users to read arbitrary .json files on the system. Attackers can exploit this vulnerability combined with weak encryption algorithms and hardcoded keys to decrypt and access stored passwords and 2FA secrets for all users.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-09 03:56 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
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| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools Inc. | SmarterMail |
Affected:
0 , < 9560
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cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
Date Public
2026-05-08 20:00
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CVE-2026-40514 (GCVE-0-2026-40514)
Vulnerability from cvelistv5 – Published: 2026-04-27 14:21 – Updated: 2026-07-14 20:00
VLAI
EPSS
VEX
Title
SmarterTools SmarterMail < Build 9610 Cryptographic Weakness via Weak RNG
Summary
SmarterTools SmarterMail builds prior to 9610 contain a cryptographic weakness in the file and email sharing endpoints that use DES-CBC encryption with keys and initialization vectors derived from System.Random seeded with insufficient entropy, reducing the seed space to approximately 19,000 possible values. An unauthenticated attacker can use the attachment download endpoint as an oracle to determine the seed in use and derive encryption keys and initialization vectors to forge sharing tokens for arbitrary emails, attachments, or file storage contents without prior access to the targeted content.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 19:06 UTC
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools Inc. | SmarterMail |
Affected:
0 , < 100.0.9610
(semver)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2026-26930 (GCVE-0-2026-26930)
Vulnerability from cvelistv5 – Published: 2026-02-16 16:27 – Updated: 2026-02-22 19:08
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail before 9526 allows XSS via MAPI requests.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 14:46 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
0 , < 9526
(custom)
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CVE-2026-25067 (GCVE-0-2026-25067)
Vulnerability from cvelistv5 – Published: 2026-01-29 03:38 – Updated: 2026-03-05 01:30
VLAI
EPSS
VEX
Title
SmarterTools SmarterMail < Build 9518 Unauthenticated background-of-the-day Path Coercion
Summary
SmarterTools SmarterMail versions prior to build 9518 contain an unauthenticated path coercion vulnerability in the background-of-the-day preview endpoint. The application base64-decodes attacker-supplied input and uses it as a filesystem path without validation. On Windows systems, this allows UNC paths to be resolved, causing the SmarterMail service to initiate outbound SMB authentication attempts to attacker-controlled hosts. This can be abused for credential coercion, NTLM relay attacks, and unauthorized network authentication.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-29 17:51 UTC
CWE
- CWE-706 - Use of Incorrectly-Resolved Name or Reference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
0 , < 100.0.9518
(semver)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2026-24423 (GCVE-0-2026-24423)
Vulnerability from cvelistv5 – Published: 2026-01-23 16:53 – Updated: 2026-08-04 03:56Title
SmarterTools SmarterMail < Build 9511 Unauthenticated RCE via ConnectToHub API
Summary
SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method. The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS command. This command will be executed by the vulnerable application.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-05 00:00 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://code-white.com/public-vulnerability-list/… | third-party-advisory |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
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(semver)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2026-23760 (GCVE-0-2026-23760)
Vulnerability from cvelistv5 – Published: 2026-01-22 14:35 – Updated: 2026-08-04 03:56 X_Known Exploited VulnerabilityTitle
SmarterTools SmarterMail < Build 9511 Authentication Bypass via Password Reset API
Summary
SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a reset token when resetting system administrator accounts. An unauthenticated attacker can supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance. NOTE: SmarterMail system administrator privileges grant the ability to execute operating system commands via built-in management functionality, effectively providing administrative (SYSTEM or root) access on the underlying host.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-22 00:00 UTC
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | release-notespatch |
| https://labs.watchtowr.com/attackers-with-decompi… | technical-descriptionexploit |
| https://code-white.com/public-vulnerability-list/… | third-party-advisory |
| https://www.vulncheck.com/advisories/smartertools… | third-party-advisory |
| https://www.huntress.com/blog/smartermail-account… | third-party-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
0 , < 100.0.9511
(custom)
cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:* |
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CVE-2025-52691 (GCVE-0-2025-52691)
Vulnerability from cvelistv5 – Published: 2025-12-29 02:15 – Updated: 2026-02-26 16:07Title
Upload Arbitrary Files
Summary
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
Severity
10 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-27 04:55 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.csa.gov.sg/alerts-and-advisories/aler… | |
| https://github.com/watchtowrlabs/watchTowr-vs-Sma… | exploit |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SmarterTools | SmarterMail |
Affected:
SmarterMail versions Build 9406 and earlier
|
Date Public
2025-12-29 02:11
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CVE-2023-48116 (GCVE-0-2023-48116)
Vulnerability from cvelistv5 – Published: 2023-12-21 00:00 – Updated: 2024-08-02 21:23
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored XSS via a crafted description of a Calendar appointment.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2023-48114 (GCVE-0-2023-48114)
Vulnerability from cvelistv5 – Published: 2023-12-21 00:00 – Updated: 2024-08-02 21:23
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored XSS by using image/svg+xml and an uploaded SVG document. This occurs because the application tries to allow youtube.com URLs, but actually allows youtube.com followed by an @ character and an attacker-controlled domain name.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2023-48115 (GCVE-0-2023-48115)
Vulnerability from cvelistv5 – Published: 2023-12-21 00:00 – Updated: 2024-08-02 21:23
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored DOM XSS because an XSS protection mechanism is skipped when messageHTML and messagePlainText are set in the same request.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-43977 (GCVE-0-2021-43977)
Vulnerability from cvelistv5 – Published: 2021-11-17 16:54 – Updated: 2024-08-04 04:10
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows XSS.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | x_refsource_MISC |
| https://csirt.divd.nl/cases/DIVD-2021-00006/ | x_refsource_MISC |
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CVE-2021-32234 (GCVE-0-2021-32234)
Vulnerability from cvelistv5 – Published: 2021-11-17 16:54 – Updated: 2024-08-03 23:17
VLAI
EPSS
VEX
Summary
SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows remote code execution.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.smartertools.com/smartermail/release-… | x_refsource_MISC |
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"dateUpdated": "2024-08-03T23:17:29.335Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}