SQL injection in OpenBao - CVE-2026-39946
Published: April 21, 2026
Vulnerability identifier: #VU126700
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-39946
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to SQL injection in the PostgreSQL database secrets engine when revoking privileges on a role using schema names provided by PostgreSQL. A remote privileged user can trigger role revocation with improperly quoted schema names to disclose sensitive information.
Exploitation may also cause role revocation failures.
Affected software
OpenBao
How to mitigate CVE-2026-39946
Install security update from vendor's website.
OpenBao - update to 2.5.3