VDB
CVE-2026-40264
CVE-2026-40264
PUBLISHED
CVSS 2 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 token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.
EPSS 0.05% · 15.8th percentile
Risk Scores
CVSS v4.0
2
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 Score
0.05%
15.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| openbao | openbao | < 2.5.3 |
Timeline
- Apr 20, 2026 PoC Published
- Apr 21, 2026 CVE Published
- Apr 21, 2026 CVE Updated
- Apr 21, 2026 PoC Published
- Apr 22, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score