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.
Scoring
- Severity
- LOW
- CVSS base score
- 2
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- EPSS probability
- 0.30%
- CWE
- CWE-1259
- Published
- 2026-04-21
- Last modified
- 2026-04-21
Affected products
- openbao openbao
Weakness type
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