Observable discrepancy in OpenBao - CVE-2025-54999

 

Observable discrepancy in OpenBao - CVE-2025-54999

Published: October 28, 2025


Vulnerability identifier: #VU117698
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-54999
CWE-ID: CWE-203
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenBao
Affected software:
OpenBao

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to timing difference between non-existent users and users with stored credentials when userpass auth method is used.  A remote attacker can enumerate existing application users. 


How to mitigate CVE-2025-54999

Install updates from vendor's website.

Sources