Maven/org.elasticsearch.plugin:x-pack-core CVE-2025-37731: medium 6.8, EPSS 0.19%

Elasticsearch PKI Realm Authentication Bypass Vulnerability Allows User Impersonation Through Crafted Client Certificates

Action: Upgrade org.elasticsearch.plugin:x-pack-core to 8.19.8 (8.19.x), 9.1.8 (9.1.x) or 9.2.2 (9.2.x) or later.

Affected

Fixed versions

Sources

• osv: GHSA-m9gh-789g-q5pv#Maven/org.elasticsearch.plugin:x-pack-core
• https://nvd.nist.gov/vuln/detail/CVE-2025-37731
• https://github.com/elastic/elasticsearch/commit/cd97b8566bf56e628070021300784cb9cee0286f
• https://github.com/elastic/elasticsearch/commit/d8a408da79f214395845d99d241e832077045983
• https://github.com/elastic/elasticsearch/commit/e519fe4c51a3c887675eb7daea2f914738847f23
• https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063
• https://github.com/elastic/elasticsearch

CVE-2025-37731 · published 2025-12-15T12:30:27Z · modified 2026-09-25T17:45:05.048500029Z · JSON