CVE-2026-118644

n8n before 2.41.5 and 2.42.2 Credential Theft via Error-Workflow Context Inheritance

State: Published
Severity: 5.1 Medium
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 28, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N	VulnCheck
3.1	7.7 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
n8nn8n-io	2.42.0 to before 2.42.2Affected 2.42.2Not affected
n8nn8n-io	before 2.41.5Affected 2.41.5Not affected

References

GitHub Security Advisory (GHSA-pcr3-v5vr-qppf)vendor-advisory
VulnCheck Advisory: n8n before 2.41.5 and 2.42.2 Credential Theft via Error-Workflow Context Inheritancethird-party-advisory

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