{"id":"CVE-2026-26936","details":"Inefficient Regular Expression Complexity (CWE-1333) in the AI Inference Anonymization Engine in Kibana can lead Denial of Service via Regular Expression Exponential Blowup (CAPEC-492).","aliases":["BIT-elk-2026-26936","BIT-kibana-2026-26936"],"modified":"2026-03-13T04:25:59.188174Z","published":"2026-02-26T18:23:07.973Z","references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-14/385250"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/kibana","events":[{"introduced":"57ca5e139a33dd2eed927ce98d8231a1f217cd15"},{"fixed":"c14722b56e3d34d5203bd311e91f9ec49227b044"},{"introduced":"504d6bfa94cca17fabb76e06152c30c4f0c3efdd"},{"fixed":"f99524135b3b29ff4011629c9e8511086b1a597a"}],"database_specific":{"versions":[{"introduced":"8.0.0"},{"fixed":"8.19.11"},{"introduced":"9.0.0"},{"fixed":"9.2.5"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26936.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}