Vulnerability · Published Oct 28, 2026 · Assigned by VulnCheck
CVE-2026-118676n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass
High 7.1
In plain English
A high-severity incorrect authorization in n8n from n8n-io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 90.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
References
- 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