Common Weakness Enumeration
CWE-305
AllowedAuthentication Bypass by Primary Weakness
Abstraction: Base · Status: Draft
The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.
316 vulnerabilities reference this CWE, most recent first.
CVE-2026-9597 (GCVE-0-2026-9597)
Vulnerability from cvelistv5 – Published: 2026-07-13 08:17 – Updated: 2026-07-13 13:55
VLAI
EPSS
VEX
Title
Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint
Summary
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation.. Mattermost Advisory ID: MMSA-2026-00681
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-13 13:55 UTC
CWE
- CWE-305 - – Authentication Bypass by Primary Weakness
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.7.0 , ≤ 11.7.2
(semver)
Affected: 11.6.0 , ≤ 11.6.4 (semver) Unaffected: 11.8.0 Unaffected: 11.7.3 Unaffected: 11.6.5 |
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CVE-2026-9571 (GCVE-0-2026-9571)
Vulnerability from cvelistv5 – Published: 2026-07-13 07:50 – Updated: 2026-07-15 04:00
VLAI
EPSS
VEX
Title
Deactivated user accounts can continue to obtain valid OAuth access tokens via refresh token grant in Mattermost
Summary
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to invalidate OAuth refresh tokens upon user account deactivation, which allows a deactivated user or an attacker in possession of a valid refresh token to obtain new functional access tokens via the OAuth refresh token grant endpoint.. Mattermost Advisory ID: MMSA-2026-00680
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 00:00 UTC
CWE
- CWE-305 - – Authentication Bypass by Primary Weakness
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.7.0 , ≤ 11.7.2
(semver)
Affected: 11.6.0 , ≤ 11.6.4 (semver) Affected: 10.11.0 , ≤ 10.11.19 (semver) Unaffected: 11.8.0 Unaffected: 11.7.3 Unaffected: 11.6.5 Unaffected: 10.11.20 |
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CVE-2026-9047 (GCVE-0-2026-9047)
Vulnerability from cvelistv5 – Published: 2026-05-22 15:18 – Updated: 2026-05-22 16:58
VLAI
EPSS
VEX
Summary
Improper handling of factor key state in the multi-factor authentication management feature in Devolutions Server allows an attacker with knowledge of a user's password to bypass the user's multi-factor authentication after the user reconfigures their factors.
This issue affects :
* Devolutions Server 2026.1.6.0 through 2026.1.16.0
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 16:58 UTC
CWE
- CWE-305 - Authentication bypass by primary weakness
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Devolutions | Server |
Affected:
2026.1.6.0 , ≤ 2026.1.16.0
(custom)
|
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CVE-2026-8932 (GCVE-0-2026-8932)
Vulnerability from cvelistv5 – Published: 2026-07-03 06:16 – Updated: 2026-09-15 06:03
VLAI
EPSS
VEX
Title
incomplete mTLS config matching in conn reuse
Summary
libcurl would reuse a previously created connection even when some mTLS config
related option had been changed that should have prohibited reuse.
libcurl keeps previously used connections in a connection pool for subsequent
transfers to reuse if one of them matches the setup. However, some TLS
settings related to client certificates were left out from the configuration
match checks, making them match too easily. In particular options related to
the private key.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 16:58 UTC
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.7.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.1 (semver) |
|
| curl | curl |
Affected:
a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4 , < 7541ae569d82fb308a5e2d94916027da4fa3ba3e
(git)
|
|
| curl | curl |
Affected:
8.20.0
Affected: 8.19.0 Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 Affected: 7.19.7 Affected: 7.19.6 Affected: 7.19.5 Affected: 7.19.4 Affected: 7.19.3 Affected: 7.19.2 Affected: 7.19.1 Affected: 7.19.0 Affected: 7.18.2 Affected: 7.18.1 Affected: 7.18.0 Affected: 7.17.1 Affected: 7.17.0 Affected: 7.16.4 Affected: 7.16.3 Affected: 7.16.2 Affected: 7.16.1 Affected: 7.16.0 Affected: 7.15.5 Affected: 7.15.4 Affected: 7.15.3 Affected: 7.15.2 Affected: 7.15.1 Affected: 7.15.0 Affected: 7.14.1 Affected: 7.14.0 Affected: 7.13.2 Affected: 7.13.1 Affected: 7.13.0 Affected: 7.12.3 Affected: 7.12.2 Affected: 7.12.1 Affected: 7.12.0 Affected: 7.11.2 Affected: 7.11.1 Affected: 7.11.0 Affected: 7.10.8 Affected: 7.10.7 Affected: 7.10.6 Affected: 7.10.5 Affected: 7.10.4 Affected: 7.10.3 Affected: 7.10.2 Affected: 7.10.1 Affected: 7.10 Affected: 7.9.8 Affected: 7.9.7 Affected: 7.9.6 Affected: 7.9.5 Affected: 7.9.4 Affected: 7.9.3 Affected: 7.9.2 Affected: 7.9.1 Affected: 7.9 Affected: 7.8.1 Affected: 7.8 Affected: 7.7.3 Affected: 7.7.2 Affected: 7.7.1 Affected: 7.7 |
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},
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"affects": "lib",
"issue": "https://hackerone.com/reports/3733910",
"last_affected": "8.20.0",
"package": "curl",
"severity": "Low",
"www": "https://curl.se/docs/CVE-2026-8932.html"
},
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"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-06-24T08:00:00.00Z",
"schema_version": "1.5.0",
"summary": "incomplete mTLS config matching in conn reuse"
}
}
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CVE-2026-6334 (GCVE-0-2026-6334)
Vulnerability from cvelistv5 – Published: 2026-05-18 06:33 – Updated: 2026-05-18 14:36
VLAI
EPSS
VEX
Title
OAuth authorization code client binding not enforced during token redemption in Mattermost
Summary
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermost Advisory ID: MMSA-2026-00570
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 14:36 UTC
CWE
- CWE-305 - – Authentication Bypass by Primary Weakness
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.5.0 , ≤ 11.5.1
(semver)
Affected: 10.11.0 , ≤ 10.11.13 (semver) Unaffected: 11.6.0 Unaffected: 11.5.2 Unaffected: 10.11.14 |
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CVE-2026-6266 (GCVE-0-2026-6266)
Vulnerability from cvelistv5 – Published: 2026-05-04 13:47 – Updated: 2026-08-27 12:04
VLAI
EPSS
VEX
Title
Aap-controller: aap-gateway: account hijacking and unauthorized access via unverified email linking
Summary
A flaw was found in the AAP gateway. The user auto-link strategy, introduced in AAP 2.6, automatically links an external Identity Provider (IDP) identity to an existing AAP user account based on email matching without verifying email ownership. This allows a remote attacker to potentially hijack a victim's account or gain unauthorized access to other accounts, including administrative accounts, by manipulating the IDP-provided email.
Severity
8.3 (High)
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-04 00:00 UTC
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:13508 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13512 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:13545 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-6266 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2458142 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
|
Affected:
2.5.0 , < 2.5.20260422
(semver)
Affected: 2.6.0 , < 2.6.20260422 (semver) |
|||
|
Affected:
4.6.0 , < 4.6.28
(semver)
Affected: 4.7.0 , < 4.7.11 (semver) |
|||
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 8 |
Unaffected:
0:4.6.28-3.el8ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el8 cpe:/a:redhat:ansible_automation_platform:2.5::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 8 |
Unaffected:
0:2.5.20260422-2.el8ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el8 cpe:/a:redhat:ansible_automation_platform:2.5::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 9 |
Unaffected:
0:4.6.28-3.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el8 cpe:/a:redhat:ansible_automation_platform:2.5::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 9 |
Unaffected:
0:2.5.20260422-2.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el8 cpe:/a:redhat:ansible_automation_platform:2.5::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8 cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8 cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 |
Unaffected:
0:4.7.11-2.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.6::el10 cpe:/a:redhat:ansible_automation_platform:2.6::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10 cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9 cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 |
Unaffected:
0:2.6.20260422-1.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.6::el10 cpe:/a:redhat:ansible_automation_platform:2.6::el9 cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10 cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9 cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 |
Unaffected:
1777377014 , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 |
Unaffected:
1777311120 , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 8 |
Unaffected:
0:4.6.28-3.el8ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el8 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 8 |
Unaffected:
0:2.5.20260422-2.el8ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el8 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 9 |
Unaffected:
0:4.6.28-3.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.5 for RHEL 9 |
Unaffected:
0:2.5.20260422-2.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.5::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 |
Unaffected:
0:4.7.11-2.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
|
| Red Hat | Red Hat Ansible Automation Platform 2.6 for RHEL 9 |
Unaffected:
0:2.6.20260422-1.el9ap , < *
(rpm)
cpe:/a:redhat:ansible_automation_platform:2.6::el9 |
Date Public
2026-05-04 13:35
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CVE-2026-5545 (GCVE-0-2026-5545)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:27 – Updated: 2026-09-15 06:02
VLAI
EPSS
VEX
Title
wrong reuse of HTTP Negotiate connection
Summary
libcurl might in some circumstances reuse the wrong connection when asked to
do an authenticated HTTP(S) request after a Negotiate-authenticated one, when
both use the same host.
libcurl features a pool of recent connections so that subsequent requests can
reuse an existing connection to avoid overhead.
When reusing a connection a range of criteria must be met. Due to a logical
error in the code, a request that was issued by an application could
wrongfully reuse an existing connection to the same server that was
authenticated using different credentials.
An application that first uses Negotiate authentication to a server with
`user1:password1` and then does another operation to the same server asking
for any authentication method but for `user2:password2` (while the previous
connection is still alive) - the second request gets confused and wrongly
reuses the same connection and sends the new request over that connection
thinking it uses a mix of user1's and user2's credentials when it is in fact
still using the connection authenticated for user1...
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 17:46 UTC
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.10.6 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
e56ae1426cb7a0a4a427cf8d6099a821fdaae428 , < 33e43985b8f3b9e66691d06e70be0395849856cd
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 Affected: 7.19.7 Affected: 7.19.6 Affected: 7.19.5 Affected: 7.19.4 Affected: 7.19.3 Affected: 7.19.2 Affected: 7.19.1 Affected: 7.19.0 Affected: 7.18.2 Affected: 7.18.1 Affected: 7.18.0 Affected: 7.17.1 Affected: 7.17.0 Affected: 7.16.4 Affected: 7.16.3 Affected: 7.16.2 Affected: 7.16.1 Affected: 7.16.0 Affected: 7.15.5 Affected: 7.15.4 Affected: 7.15.3 Affected: 7.15.2 Affected: 7.15.1 Affected: 7.15.0 Affected: 7.14.1 Affected: 7.14.0 Affected: 7.13.2 Affected: 7.13.1 Affected: 7.13.0 Affected: 7.12.3 Affected: 7.12.2 Affected: 7.12.1 Affected: 7.12.0 Affected: 7.11.2 Affected: 7.11.1 Affected: 7.11.0 Affected: 7.10.8 Affected: 7.10.7 Affected: 7.10.6 |
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}
],
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"description": "Authentication Bypass by Primary Weakness",
"lang": "en",
"type": "CWE"
}
]
}
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{
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},
{
"url": "https://hackerone.com/reports/3642555"
}
],
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"aliases": [
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],
"credits": [
{
"name": "Quac Tran and Ngoc Hieu",
"type": "finder"
},
{
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}
],
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"desc": "Authentication Bypass by Primary Weakness",
"id": "CWE-305"
},
"URL": "https://curl.se/docs/CVE-2026-5545.json",
"affects": "both",
"issue": "https://hackerone.com/reports/3642555",
"last_affected": "8.19.0",
"package": "curl",
"severity": "Medium",
"www": "https://curl.se/docs/CVE-2026-5545.html"
},
"details": "libcurl might in some circumstances reuse the wrong connection when asked to\ndo an authenticated HTTP(S) request after a Negotiate-authenticated one, when\nboth use the same host.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criteria must be met. Due to a logical\nerror in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials.\n\nAn application that first uses Negotiate authentication to a server with\n`user1:password1` and then does another operation to the same server asking\nfor any authentication method but for `user2:password2` (while the previous\nconnection is still alive) - the second request gets confused and wrongly\nreuses the same connection and sends the new request over that connection\nthinking it uses a mix of user1\u0027s and user2\u0027s credentials when it is in fact\nstill using the connection authenticated for user1...",
"id": "CURL-CVE-2026-5545",
"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-04-29T08:00:00.00Z",
"schema_version": "1.5.0",
"summary": "wrong reuse of HTTP Negotiate connection"
}
}
},
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"assignerShortName": "curl",
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"datePublished": "2026-05-13T08:27:26.065Z",
"dateReserved": "2026-04-04T12:10:07.125Z",
"dateUpdated": "2026-09-15T06:02:59.285Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-4670 (GCVE-0-2026-4670)
Vulnerability from cvelistv5 – Published: 2026-04-30 15:06 – Updated: 2026-05-01 03:55
VLAI
EPSS
VEX
Title
Improper Authentication vulnerability in Progress MOVEit Automation
Summary
Authentication bypass by primary weakness vulnerability in Progress Software MOVEit Automation allows Authentication Bypass.
This issue affects MOVEit Automation: from 2025.0.0 before 2025.0.9, from 2024.0.0 before 2024.1.8, versions prior to 2024.0.0.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-30 00:00 UTC
CWE
- CWE-305 - Authentication bypass by primary weakness
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://community.progress.com/s/article/MOVEit-A… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Progress Software | MOVEit Automation |
Affected:
2025.0.0 , < 2025.0.9
(semver)
Affected: 2024.0.0 , < 2024.1.8 (semver) Affected: 0 , < 2024.0.0 (semver) |
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CVE-2026-3784 (GCVE-0-2026-3784)
Vulnerability from cvelistv5 – Published: 2026-03-11 10:09 – Updated: 2026-09-15 06:02
VLAI
EPSS
VEX
Title
wrong proxy connection reuse with credentials
Summary
curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a
server, even if the new request uses different credentials for the HTTP proxy.
The proper behavior is to create or use a separate connection.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 15:48 UTC
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.7.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.19.0 (semver) |
|
| curl | curl |
Affected:
a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4 , < 5f13a7645e565c5c1a06f3ef86e97afb856fb364
(git)
|
|
| curl | curl |
Affected:
8.18.0
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|
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V4.0
(custom)
|
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CVE-2026-3591 (GCVE-0-2026-3591)
Vulnerability from cvelistv5 – Published: 2026-03-25 13:34 – Updated: 2026-03-25 14:13
VLAI
EPSS
VEX
Title
A stack use-after-return flaw in SIG(0) handling code may enable ACL bypass
Summary
A use-after-return vulnerability exists in the `named` server when handling DNS queries signed with SIG(0). Using a specially-crafted DNS request, an attacker may be able to cause an ACL to improperly (mis)match an IP address. In a default-allow ACL (denying only specific IP addresses), this may lead to unauthorized access. Default-deny ACLs should fail-secure.
This issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1.
BIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 14:12 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2026-3591 | vendor-advisory |
| https://downloads.isc.org/isc/bind9/9.20.21 | patch |
| https://downloads.isc.org/isc/bind9/9.21.20 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ISC | BIND 9 |
Affected:
9.20.0 , ≤ 9.20.20
(custom)
Affected: 9.21.0 , ≤ 9.21.19 (custom) Affected: 9.20.9-S1 , ≤ 9.20.20-S1 (custom) Unaffected: 9.18.0 , ≤ 9.18.46 (custom) Unaffected: 9.18.11-S1 , ≤ 9.18.46-S1 (custom) cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* |
Date Public
2026-03-25 00:00
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.