Bug 2515547 (CVE-2026-45808) - CVE-2026-45808 github.com/openbao/openbao: OpenBao: Cross-namespace lease management bypasses access controls
Summary: CVE-2026-45808 github.com/openbao/openbao: OpenBao: Cross-namespace lease man...
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Status: NEW
Alias: CVE-2026-45808
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-13 19:07 UTC by OSIDB Bzimport
Modified: 2026-08-20 13:04 UTC (History)
0 users

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Description OSIDB Bzimport 2026-08-13 19:07:30 UTC 
OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via the legacy, undocumented `sys/revoke` and `sys/renew` endpoints. This is fixed in OpenBao v2.5.4.
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