cve.bz

CVE-2026-40264

2.0 lowEPSS 0.3%

Low (2.0) in openbao openbao. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in github.com/openbao/openbao 0.0.0-20260420162526-f58111d2ca54.

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.

Severity

CVSS 4.0

2.0 low
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

CVSS 3.1

2.7 low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
EPSS
0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE
CWE-1259
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-p49j-v9wc-wg57Gogithub.com/openbao/openbao<0.0.0-20260420162526-f58111d2ca540.0.0-20260420162526-f58111d2ca54
GO-2026-5526Gogithub.com/openbao/openbao<0.0.0-20260420162526-f58111d2ca540.0.0-20260420162526-f58111d2ca54

References

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