MSRXMSRXSecurity
Vulnerabilities / CVE-2026-118642

CVE-2026-118642

Published 2026-10-28 · Deferred

CVE-2026-118642

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

5.1 MEDIUM
CVSS 4.0 · CNA · vulncheck.com
0.2%
chance of exploitation in the next 30 days (EPSS; higher than 11% of CVEs)

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

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:NCNA · vulncheck.com
7.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:NCNA · vulncheck.com

Affected products

  • n8n-io n8n: < 1.123.85
  • n8n-io n8n: 2.44.0 to < 2.44.1
  • n8n-io n8n: 2.0.0 to < 2.43.5

Weakness: CWE-863

Also known as: GHSA-8vrr-mgc5-jg55

2 references (advisories, patches, write-ups)

Sources: NVD, CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.

Look up another CVECheck your dependenciesScan a website