CVE-2026-118676n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• GitHub Security Advisory (GHSA-v9cx-v88r-42vw) vendor-advisory
• VulnCheck Advisory: n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass third-party-advisory