CVE-2026-118640
Dashboard / Vulnerabilities / CVE-2026-118640
Summary: n8n before 1.123.85, 2.43.5, and 2.44.1 Chat Hub Authorization Bypass
Details: n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability in Chat Hub that allows chat-only users to register restricted tool types. Users with the global:chatUser role can add and run tools through chat to execute sandboxed code, access permitted files, and use instance workflows, Data Tables, and agents.
References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/118xxx/CVE-2026-118640.json, https://github.com/n8n-io/n8n/security/advisories/GHSA-43v8-hjhm-chjp, https://nvd.nist.gov/vuln/detail/CVE-2026-118640, https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-chat-hub-authorization-bypass
Affected packages
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