{"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":"8.19.8","introduced":"7.0.0-alpha1"},{"fixed":"9.1.8","introduced":"9.0.0-beta1"},{"fixed":"9.2.2","introduced":"9.2.0"}],"component":"org.elasticsearch.plugin:x-pack-core","cve_ids":["CVE-2025-37731"],"ecosystem":"Maven","epss":0.00192,"exploited":false,"fixed_versions":["8.19.8","9.1.8","9.2.2"],"ghsa_id":"GHSA-m9gh-789g-q5pv","id":"tcs_01M5N94S5XPVZBMT7ZABX6MB6R","modified_at":"2026-09-25T17:45:05.048500029Z","published_at":"2025-12-15T12:30:27Z","references":["https://osv.dev/vulnerability/GHSA-m9gh-789g-q5pv","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"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"GHSA-m9gh-789g-q5pv#Maven/org.elasticsearch.plugin:x-pack-core","url":"https://osv.dev/vulnerability/GHSA-m9gh-789g-q5pv"}],"summary":"Elasticsearch PKI Realm Authentication Bypass Vulnerability Allows User Impersonation Through Crafted Client Certificates"}