Improper access control in OpenBao - CVE-2025-64761
Published: April 21, 2026
Vulnerability identifier: #VU126695
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-64761
CWE-ID: CWE-284
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 escalate privileges.
The vulnerability exists due to improper access control in the identity group subsystem when handling requests to the identity/groups endpoints. A remote privileged user can add a root policy to a group identity group to escalate privileges.
Exploitation requires an operator in the root namespace with access to the identity/groups endpoints but without policy access.
How to mitigate CVE-2025-64761
Install security update from vendor's website.