BIT-openbao-2026-40264

vendorUSosv

OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation

view advisory published 2026-07-27Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-40264US	low2.7	0.30% (23rd)	—	2026-04-21
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…

references

External citations — patches, advisories, analysis.

https://github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57ADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-40264WEB

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