{"id":"CVE-2026-118646","state":"PUBLISHED","title":"n8n before 1.123.85, 2.43.5, and 2.44.1 ReDoS via Read/Write Files Node","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.","publishedAt":"2026-10-28T18:59:45.637Z","updatedAt":"2026-10-28T18:59:45.637Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["n8n-io n8n"],"affected":[{"vendor":"n8n-io","product":"n8n","packageURL":"pkg:npm/n8n","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.123.85","versionType":"semver"},{"version":"1.123.85","status":"unaffected","versionType":"semver"}]},{"vendor":"n8n-io","product":"n8n","packageURL":"pkg:npm/n8n","defaultStatus":"unaffected","versions":[{"version":"2.44.0","status":"affected","lessThan":"2.44.1","versionType":"semver"},{"version":"2.44.1","status":"unaffected","versionType":"semver"}]},{"vendor":"n8n-io","product":"n8n","packageURL":"pkg:npm/n8n","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThan":"2.43.5","versionType":"semver"},{"version":"2.43.5","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-m7gv-mpg5-7c9v","https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-redos-via-read-write-files-node"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/118xxx/CVE-2026-118646.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-118646","state":"PUBLISHED","datePublished":"2026-10-28T18:59:45.637Z","dateUpdated":"2026-10-28T18:59:45.637Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-28T17:24:54.846Z"},"containers":{"cna":{"title":"n8n before 1.123.85, 2.43.5, and 2.44.1 ReDoS via Read/Write Files Node","descriptions":[{"lang":"en","value":"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. 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