Authentication bypass using an alternate path or channel in Vault Enterprise and Vault - CVE-2025-11621

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Main Vulnerability Database Vulnerabilities #VU117641

Authentication bypass using an alternate path or channel in Vault Enterprise and Vault - CVE-2025-11621

Published: October 24, 2025 / Updated: November 25, 2025


Vulnerability identifier: #VU117641
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-11621
CWE-ID: CWE-288
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the authentication bypass using an alternate path or channel within AWS Auth method. A remote user can gain acces to sensitive data and potentially gain elevated privileges.


Affected software

Vault Enterprise
Vault
Trusted Artifact Signer (RHTAS)

How to mitigate CVE-2025-11621

Install updates from vendor's website.

Vault Enterprise - addressed in versions 1.16.27, 1.19.11, 1.20.5, 1.21.0
Vault - update to 1.21.0
Trusted Artifact Signer (RHTAS) - update to 1.3.1

External References

Related Security Bulletins