In short
- CVE-2026-40264 is a LOW (CVSS 2.7) vulnerability affecting github.com/openbao/openbao, openbao (openbao).
- Chance of exploitation in the next 30 days (EPSS): 0.30%, higher than 22.9% of all vulnerabilities.
- Fix: update to 0.0.0-20260420162526-f58111d2ca54, 2.5.3 or later.
Description
Impact
OpenBao's namespaces provide multi-tenant separation. A tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant.
Patches
This was addressed in v2.5.3.
NVD 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.
More vulnerabilities in github.com/openbao/openbao
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