{"id":"CVE-2026-78593","title":"An insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting…","summary":"An insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-94"],"published":"2026-09-03","updated":"2026-09-08","sourceUpdated":"2026-09-08T14:17:41.457","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78593","references":[{"url":"https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-151/390159","label":"security@elastic.co"}],"tags":["nvd"],"epss":0.00175,"epssPercentile":0.07278,"ingestedAt":"2026-09-08T15:33:26.958Z","slug":"CVE-2026-78593","body":"## Overview\n\nAn insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting in an Elasticsearch ingest pipeline being written beyond the caller's authorized Elasticsearch permissions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}