CVE-2026-118644
n8n before 2.41.5 and 2.42.x before 2.42.2 passes a failed workflow's full execution context, including the identity of the user who started the run, to the configured error workflow. A project editor can set a colleague's workflow settings.errorWorkflow to an error workflow they own, inherit the colleague's identity when that workflow fails, and resolve the colleague's per-user dynamic credential secrets.
- Score
- CVSS 3.1 7.7 High
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-10-28
- Last modified
- 2026-10-28
- Weaknesses
- CWE-266
Affected products
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-pcr3-v5vr-qppf
- https://www.vulncheck.com/advisories/n8n-before-2.41.5-and-2.42.2-credential-theft-via-error-workflow-context-inheritan…
