Bug 2405944 (CVE-2025-62705)

Summary: CVE-2025-62705 openbao: OpenBao and Vault Leak []byte Fields in Audit Logs
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: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenBao. The audit log does not properly redact sensitive fields when relevant subsystems return []byte response parameters instead of strings. This includes, but is not limited to, sys/raw with use of encoding=base64, causing all data to be emitted unredacted to the audit log, and Transit, when performing a signing operation with a derived Ed25519 key, causing the public keys to be emitted to the audit log.
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Description OSIDB Bzimport 2025-10-22 22:01:47 UTC 
OpenBao is an open source identity-based secrets management system. Prior to version 2.4.2, OpenBao's audit log did not appropriately redact fields when relevant subsystems sent []byte response parameters rather than strings. This includes, but is not limited to sys/raw with use of encoding=base64, all data would be emitted unredacted to the audit log, and Transit, when performing a signing operation with a derived Ed25519 key, would emit public keys to the audit log. This issue has been patched in OpenBao 2.4.2.