{"id":"CVE-2026-54308","aliases":["GHSA-jvc7-762p-3743"],"url":"https://o3.security/vulnerability/CVE-2026-54308","summary":"n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node","details":"n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to execute with attacker-controlled data. This vulnerability is fixed in 2.25.7 and 2.26.2.","published":"2026-06-23T15:42:39.342Z","modified":"2026-08-07T11:31:03.966704537Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"n8n","fixedVersion":"2.26.2"},{"ecosystem":"npm","name":"n8n","fixedVersion":"2.25.7"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54308.json"},{"type":"ADVISORY","url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-jvc7-762p-3743"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54308"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:03.966704537Z"}}