CVE-2026-40264Low▾ SunlitOpenBao's Token Store Allows Cross-Namespace Renewal, Revocation
▾ Sunlit zone — Low / medium · no exploitation signal
impact 13.8 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 27.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.3%
OpenBao's namespaces provide multi-tenant separation. A tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant.
This was addressed in v2.5.3.
github.com/openbao/openbao < 0.0.0-20260420162526-f58111d2ca54Upgrade to a patched release:
github.com/openbao/openbao 0.0.0-20260420162526-f58111d2ca54Connected by shared product, vendor, weakness, or advisory.
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