CVE-2026-118642

n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass via Inline Sub-Workflows

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

Description

n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows authenticated members to use inaccessible credentials through inline sub-workflow nodes with non-boolean disabled values. Attackers knowing a credential id can run Execute Workflow nodes in inline JSON mode that skip the permission check and send decrypted credentials to attacker-controlled servers.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N	VulnCheck
3.1	7.1 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N	VulnCheck

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
n8nn8n-io	before 1.123.85Affected 1.123.85Not affected
n8nn8n-io	2.44.0 to before 2.44.1Affected 2.44.1Not affected
n8nn8n-io	2.0.0 to before 2.43.5Affected 2.43.5Not affected

References

GitHub Security Advisory (GHSA-8vrr-mgc5-jg55)vendor-advisory
VulnCheck Advisory: n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass via Inline Sub-Workflowsthird-party-advisory

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