OpenBao up to 2.6.3/2.7.0 Audit Logging insufficient logging

Summaryinfo

A vulnerability, which was classified as problematic, was found in OpenBao up to 2.6.3/2.7.0. Affected by this vulnerability is an unknown functionality of the component Audit Logging. Executing a manipulation can lead to insufficient logging. This vulnerability is tracked as CVE-2026-115357. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenBao up to 2.6.3/2.7.0. It has been declared as problematic. This vulnerability affects some unknown functionality of the component Audit Logging. The manipulation with an unknown input leads to a insufficient logging vulnerability. The CWE definition for the vulnerability is CWE-778. When a security-critical event occurs, the product either does not record the event or omits important details about the event when logging it. As an impact it is known to affect integrity. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-115357 since 10/22/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1562.002.

Upgrading to version 2.6.4 or 2.7.1 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• OpenBao

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.7.0

Website

• Product: https://github.com/openbao/openbao/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion