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Vulnerabilities / CVE-2026-118676

CVE-2026-118676

Published 2026-10-28 · Deferred

CVE-2026-118676

n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass

5.1 MEDIUM
CVSS 4.0 · CNA · vulncheck.com
0.2%
chance of exploitation in the next 30 days (EPSS; higher than 9% of CVEs)

n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows member users to use credentials they cannot access by omitting default node parameters. Attackers can save and run workflows where pre-execution checks skip credential slots, causing decrypted credential values to be sent to attacker-chosen destinations.

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-v9cx-v88r-42vw

2 references (advisories, patches, write-ups)

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

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