Improper authentication in OpenBao - CVE-2025-55000
Published: October 28, 2025
Vulnerability identifier: #VU117697
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2025-55000
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenBao
Affected software:
OpenBao
OpenBao
Detailed vulnerability description
The vulnerability allows a remote user to bypass MFA authentication.
The vulnerability exists due to an error caused by an unexpected normalization in the underlying TOTP library. A remote user can bypass MFA authentication and gain unauthorized access to the application.
How to mitigate CVE-2025-55000
Install updates from vendor's website.