Vulnerability in n8n-io n8n

[ Description ]Official description

n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows member users to use credentials they cannot access by omitting default node parameters. Attackers can save and run workflows where pre-execution checks skip credential slots, causing decrypted credential values to be sent to attacker-chosen destinations.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund13 Oct 2026WID-SEC-2026-3898

  n8n: Multiple vulnerabilities Translated from German

  CVE-2026-118641CVE-2026-118647CVE-2026-118648+11 more CVEs

[ References ]References

• github.com/n8n-io/n8n/security/advisories/GHSA-v9cx-v88r-42vw
• www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-permissio…