CVE-2026-118642

5.1 medium

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.

CVSS 4.0: 5.1CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N
CVSS 3.1: 7.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
CWE: CWE-863
Published: 2026-10-28
Modified: 2026-10-28
Record from: the NVD, synced 2026-10-28

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-8vrr-mgc5-jg55
https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-permission-check-bypass-via-inline-sub-workflows

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