{"id":"CVE-2026-118646","published":"2026-10-28T19:17:32.760","lastModified":"2026-10-28T19:17:32.880","description":"n8n before 1.123.85, 2.43.5, and 2.44.1 contains a regular expression denial of service vulnerability that allows authenticated members to block the event loop via crafted glob patterns. Attackers who can create and run workflows can submit a wildcard-heavy File(s) Selector pattern causing exponential backtracking, making the UI, API, webhooks, and health checks unresponsive until restart.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-1333"],"vendors":[],"products":[],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-m7gv-mpg5-7c9v","tags":[]},{"url":"https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-redos-via-read-write-files-node","tags":[]}],"exploitRefs":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-m7gv-mpg5-7c9v","tags":[]}],"hasPoc":true,"ai":null}