OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation (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 token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.
OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation (CVE-2026-40264)
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.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-openbao-2026-40264
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2026-40264"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- Low
- Cvss Version
- null
Threat ID: 6aa005f4acd9273b49ab638d
Added to database: 09/08/2026, 12:56:20 UTC
Last updated: 09/08/2026, 12:56:20 UTC
Views: 1
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