CVE-2026-115363
Published:October 22, 2026
Updated:October 23, 2026
OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 contains an information disclosure vulnerability that exposes the tls_acme_eab_mac_key value through the sys/config/state/sanitized endpoint. Callers of the sanitized configuration endpoint can retrieve the ACME External Account Binding MAC key used for TLS listener certificates, letting them bind to the operator's ACME account.
Affected Packages
https://github.com/openbao/openbao.git (GITHUB):
Affected version(s) >=v2.7.0-beta20260909 <v2.7.1Fix Suggestion:
Update to version v2.7.1https://github.com/openbao/openbao.git (GITHUB):
Affected version(s) >=v2.2.0-beta20250213 <v2.6.4Fix Suggestion:
Update to version v2.6.4github.com/openbao/openbao/v2 (GO):
Affected version(s) >=v2.7.0-beta20260909 <v2.7.1Fix Suggestion:
Update to version v2.7.1Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Removal of Sensitive Information Before Storage or Transfer