Common Weakness Enumeration
CWE-1391
Allowed-with-ReviewUse of Weak Credentials
Abstraction: Class · Status: Incomplete
The product uses weak credentials (such as a default key or hard-coded password) that can be calculated, derived, reused, or guessed by an attacker.
112 vulnerabilities reference this CWE, most recent first.
CVE-2026-100299 (GCVE-0-2026-100299)
Vulnerability from cvelistv5 – Published: 2026-09-29 19:52 – Updated: 2026-09-29 21:01
VLAI
EPSS
VEX
Title
Use of Weak Credentials in Anjvision YSSD-RTMP-H5
Summary
In Anjvision YSSD‑RTMP‑H5 firmware version 3.3.2.4, the device includes a legacy password hash on the serial console that relies on a weak DES‑based encryption.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 20:55 UTC
CWE
- CWE-1391 - Use of Weak Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Anjvision | YSSD-RTMP-H5 |
Affected:
Version 3.3.2.4 build 2024-12-26
|
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CVE-2026-88761 (GCVE-0-2026-88761)
Vulnerability from cvelistv5 – Published: 2026-09-24 19:55 – Updated: 2026-09-25 16:29
VLAI
EPSS
VEX
Title
Botslab G980H Dashcams Use of Weak Credentials
Summary
The Botslab G980H dash camera firmware generates the default WiFi password using predictable device information, portions of which are advertised by the product. An unauthenticated attacker within WiFi range could potentially determine the remaining password characters through limited guessing and gain unauthorized access to the device network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-25 16:28 UTC
CWE
Assigner
References
Impacted products
Date Public
2026-09-24 14:31
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CVE-2026-79679 (GCVE-0-2026-79679)
Vulnerability from cvelistv5 – Published: 2026-09-03 11:27 – Updated: 2026-09-03 12:10
VLAI
EPSS
VEX
Title
Use of Weak Credentials
Summary
Use of Weak Credentials vulnerability in B&R Industrial Automation GmbH mapp Audit used in mapp Services.
This issue affects mapp Audit used in mapp Services: before 6.8.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 12:09 UTC
CWE
- CWE-1391 - Use of Weak Credentials
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| B&R Industrial Automation GmbH | mapp Services |
Affected:
0 , < 6.8.0
(custom)
|
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CVE-2026-66409 (GCVE-0-2026-66409)
Vulnerability from cvelistv5 – Published: 2026-08-10 08:04 – Updated: 2026-08-10 18:05
VLAI
EPSS
VEX
Summary
DEEBOT PRO M1 and DEEBOT PRO K1VAC are configured with weak passwords for their Wi-Fi hotspot networks.
The password may be analyzed and obtained to connect to the access point of an affected robot.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 18:01 UTC
CWE
- CWE-1391 - Use of weak credentials
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ECOVACS ROBOTICS | DEEBOT PRO M1 |
Affected:
0 , < M1-1.7.27
(semver)
|
|
| ECOVACS ROBOTICS | DEEBOT PRO K1VAC |
Affected:
0 , < V1.7.821
(semver)
|
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CVE-2026-66408 (GCVE-0-2026-66408)
Vulnerability from cvelistv5 – Published: 2026-08-10 08:01 – Updated: 2026-08-10 17:57
VLAI
EPSS
VEX
Summary
The root accounts of DEEBOT PRO M1 and DEEBOT PRO K1VAC are configured with weak passwords.
Physical access to an affected product may allow to obtain the password of the root account.
Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 17:56 UTC
CWE
- CWE-1391 - Use of weak credentials
Assigner
References
2 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ECOVACS ROBOTICS | DEEBOT PRO M1 |
Affected:
0 , < M1-1.7.27
(semver)
|
|
| ECOVACS ROBOTICS | DEEBOT PRO K1VAC |
Affected:
0 , < V1.7.821
(semver)
|
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CVE-2026-57473 (GCVE-0-2026-57473)
Vulnerability from cvelistv5 – Published: 2026-06-26 10:47 – Updated: 2026-06-26 12:01
VLAI
EPSS
VEX
Summary
A vulnerability exists in the netclient and factory services of Reolink Home Hub (versions prior to v3.3.0.456_26031911) due to the possibility of brute-force cracking the credentials. This issue could allow attackers on the same local network to intercept traffic between the Hub and associated cameras and compromise the credentials of connected cameras.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 12:01 UTC
CWE
- CWE-1391 - Use of Weak Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.nozominetworks.com/labs/vulnerability… | third-party-advisory |
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CVE-2026-49852 (GCVE-0-2026-49852)
Vulnerability from cvelistv5 – Published: 2026-07-17 19:14 – Updated: 2026-07-20 14:58
VLAI
EPSS
VEX
Title
joserfc: HS256/HS384/HS512 verify accepts empty/nil HMAC key (cross-language sibling of CVE-2026-45363)
Summary
joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption (JOSE) standards. Prior to 1.6.8, joserfc.jwt.decode accepts attacker-forged HMAC-signed tokens when the caller-supplied verification key is the empty string or None, because HMACAlgorithm.sign and HMACAlgorithm.verify in src/joserfc/_rfc7518/jws_algs.py pass the output of OctKey.get_op_key(...) to hmac.new(...) and OctKey.import_key in src/joserfc/_rfc7518/oct_key.py only emits a SecurityWarning for keys shorter than 14 bytes without rejecting zero-length input. This issue is fixed in version 1.6.8.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 14:58 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/authlib/joserfc/security/advis… | x_refsource_CONFIRM |
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| https://github.com/authlib/joserfc/releases/tag/1.6.8 | x_refsource_MISC |
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CVE-2026-47325 (GCVE-0-2026-47325)
Vulnerability from cvelistv5 – Published: 2026-06-03 13:28 – Updated: 2026-06-03 15:50 X_Open Source
VLAI
EPSS
VEX
Title
Weak password policy in ProjectsAndPrograms school-management-system
Summary
ProjectsAndPrograms school-management-system uses predictable credentials by generating student's and teacher's passwords solely from the user’s date of birth (e.g., 12072000 for 12 July 2000). The application does not require or prompt users to change the password upon first login. This behavior allows attackers to easily guess or derive valid credentials, leading to unauthorized account access.
The maintainers were notified early about this vulnerability but did not provide details regarding affected versions. The version corresponding to commit 6b6fae5 was tested and confirmed vulnerable; other versions were not tested and may also be affected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-03 15:50 UTC
CWE
- CWE-1391 - Use of Weak Credentials
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/06/CVE-2026-47324/ | third-party-advisory |
| https://oranbyte.com/projects/school-management-system | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ProjectsAndPrograms | school-management-system |
Affected:
6b6fae5
(custom)
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CVE-2026-46623 (GCVE-0-2026-46623)
Vulnerability from cvelistv5 – Published: 2026-09-15 09:52 – Updated: 2026-09-17 14:08
VLAI
EPSS
VEX
Title
OpenAM Account Takeover via Unverified Password Change in OAuth2 Module
Summary
Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, the OAuth2 authentication module updates an existing local account with profile attributes that can include userPassword and inetUserStatus, rewriting the password to the username and reactivating disabled accounts. The missing OAuth.removeRestrictedAccountUpdateAttributes filtering permits these credential and status fields to reach the account update. With account creation enabled, repeated OAuth login causes the default ldapService chain to accept the username as both identifier and password, allowing an unauthenticated attacker to take over the local account without interacting with the identity provider. The rewrite can be denied for usernames shorter than the configured minimum password length. This issue is fixed in version 16.1.1.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 14:07 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OpenIdentityPlatform/OpenAM/se… | x_refsource_CONFIRM |
| https://github.com/OpenIdentityPlatform/OpenAM/co… | x_refsource_MISC |
| https://github.com/OpenIdentityPlatform/OpenAM/re… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenIdentityPlatform | OpenAM |
Affected:
< 16.1.1
|
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CVE-2026-45363 (GCVE-0-2026-45363)
Vulnerability from cvelistv5 – Published: 2026-07-14 21:32 – Updated: 2026-09-19 18:07
VLAI
EPSS
VEX
Title
`jwt` (Ruby gem) - empty-key HMAC bypass
Summary
ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to 2.10.3 and 3.2.0, JWT.decode(token, '', true, algorithm: 'HS256') accepts an attacker-forged token because OpenSSL::HMAC.digest('SHA256', '', payload) returns a valid digest under an empty key and no empty-key precondition exists in the HMAC algorithm. The same path is reached when a keyfinder block or key_finder: argument returns an empty string, nil, or an array containing nil for an unknown key, affecting HS256, HS384, and HS512 verification through JWT.decode and JWT::EncodedToken#verify_signature!. This issue is fixed in versions 2.10.3 and 3.2.0.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 13:24 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/jwt/ruby-jwt/security/advisori… | x_refsource_CONFIRM |
| https://github.com/jwt/ruby-jwt/commit/9820020869… | x_refsource_MISC |
| https://github.com/jwt/ruby-jwt/commit/db560b769a… | x_refsource_MISC |
| https://github.com/jwt/ruby-jwt/releases/tag/v2.10.3 | x_refsource_MISC |
| https://github.com/jwt/ruby-jwt/releases/tag/v3.2.0 | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2026… |
Impacted products
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Mitigation
Architecture and Design
Operation
When the user changes or sets a password, check the password against a database of already compromised or breached passwords. These passwords are likely to be used in password guessing attacks.
No CAPEC attack patterns related to this CWE.