{"action":"Upgrade n8n to 2.2.2 or later.","affected":[{"fixed":"2.2.2","introduced":"0.150.0"}],"component":"n8n","cve_ids":["CVE-2026-21894"],"ecosystem":"npm","epss":0.00473,"exploited":false,"fixed_versions":["2.2.2"],"ghsa_id":"GHSA-jf52-3f2h-h9j5","id":"tcs_01M5KFXRDMHWPBWQFE651D74H3","modified_at":"2026-02-03T03:15:51.154690Z","published_at":"2026-01-07T19:22:54Z","references":["https://osv.dev/vulnerability/GHSA-jf52-3f2h-h9j5","https://github.com/n8n-io/n8n/security/advisories/GHSA-jf52-3f2h-h9j5","https://nvd.nist.gov/vuln/detail/CVE-2026-21894","https://github.com/n8n-io/n8n/pull/22764","https://github.com/n8n-io/n8n/commit/a61a5991093c41863506888336e808ac1eff8d59","https://github.com/n8n-io/n8n"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-jf52-3f2h-h9j5","url":"https://osv.dev/vulnerability/GHSA-jf52-3f2h-h9j5"}],"summary":"n8n's Missing Stripe-Signature Verification Allows Unauthenticated Forged Webhooks"}