1. Home
  2. CVE Database
  3. CVE-2026-40264
LOW · 2.7

CVE-2026-40264

OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their toke...

Vulnerability Description

OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.

CVSS Score

2.7

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
OpenbaoOpenbao< 2.5.3

Related Weaknesses (CWE)

CWE-1259

References

FAQ

What is CVE-2026-40264?

CVE-2026-40264 is a vulnerability with a CVSS score of 2.7 (LOW). OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their toke...

How severe is CVE-2026-40264?

CVE-2026-40264 has been rated LOW with a CVSS base score of 2.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40264?

Check the references section above for vendor advisories and patch information. Affected products include: Openbao Openbao.