{"id":"CVE-2026-21893","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-21893","generatedAt":"2026-10-28T02:20:45.385Z","title":"From version 0.187.0 to before 1.120.3, a command injection vulnerability was identified in n8n’s community package installation functionality.","description":"n8n is an open source workflow automation platform. From version 0.187.0 to before 1.120.3, a command injection vulnerability was identified in n8n’s community package installation functionality. The issue allowed authenticated users with administrative permissions to execute arbitrary system commands on the n8n host under specific conditions. This issue has been patched in version 1.120.3.","published":"2026-02-04T18:16:08.000Z","lastModified":"2026-06-17T10:19:06.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":9.4,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-20","CWE-78"],"affected":["n8n/n8n"],"epss":{"score":0.0156,"percentile":0.75054,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-7c4h-vh2m-743m","tags":["Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-21893","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}