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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| n8n-io | n8n | < 1.123.85, 2.44.0 – < 2.44.1, 2.0.0 – < 2.43.5 | 1.123.85 |
Advisories 1
- WID-SEC-2026-3898 n8n: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 28, 2026
References
- GitHub Security Advisory (GHSA-v9cx-v88r-42vw) vendor-advisory
- VulnCheck Advisory: n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass third-party-advisory