SB2026042147 - Improper access control in OpenBao
Published: April 21, 2026
Security Bulletin ID
SB2026042147
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2025-64761)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 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
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.
Remediation
Install update from vendor's website.