Bug 2559318 (CVE-2026-115357)

Summary: CVE-2026-115357 github.com/openbao/openbao: OpenBao: Missing response audit logs during root token generation and rekey operations
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenBao. Under certain conditions, the service fails to record audit log entries for responses when processing requests to generate root tokens or rotate encryption keys. A remote attacker can complete these critical operations without leaving a complete audit trail, hindering security monitoring and forensic investigation.
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Description OSIDB Bzimport 2026-10-22 20:29:57 UTC 
OpenBao before 2.6.4 and 2.7.x before 2.7.1 fails to write response audit entries for the unauthenticated sys/generate-root, sys/rekey, and sys/rekey-recovery-key endpoints when request audit logging succeeds but response audit logging fails. An attacker using these endpoints can complete root token generation or rekey operations without a corresponding response audit record, hindering forensic detection.