CVE-2026-115357

2.1 lowEPSS 0.2%

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.

CVSS 4.0: 2.1CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 2.2CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-25)
CWE: CWE-778
Published: 2026-10-22
Modified: 2026-10-23
Record from: the NVD, synced 2026-10-23

References

https://github.com/openbao/openbao/security/advisories/GHSA-q74w-hv5x-6hxf
https://www.vulncheck.com/advisories/openbao-before-2.6.4-and-2.7.0-before-2.7.1-improper-audit-logging-of-root-generation-and-rekey-responses

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