{"id":"CVE-2026-115363","title":"OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 ACME EAB MAC Key Disclosure via Sanitized Configuration","summary":"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 endpoi…","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-212"],"vendor":"openbao","product":"openbao","affected":["openbao >= 2.2.0 < 2.6.4","openbao >= 2.7.0 < 2.7.1"],"published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T19:13:37.600Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115363","references":[{"url":"https://github.com/openbao/openbao/security/advisories/GHSA-3237-j65r-m5rp","label":"GitHub Security Advisory (GHSA-3237-j65r-m5rp)"},{"url":"https://www.vulncheck.com/advisories/openbao-2.2.0-before-2.6.4-and-2.7.0-before-2.7.1-acme-eab-mac-key-disclosure-via-sanitized-configuration","label":"VulnCheck Advisory: OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 ACME EAB MAC Key Disclosure via Sanitized Configuration"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T22:00:50.399Z","slug":"CVE-2026-115363","body":"## Overview\n\nOpenBao 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.\n\n## Affected\n\n- `openbao >= 2.2.0 < 2.6.4`\n- `openbao >= 2.7.0 < 2.7.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}