GHSA-PM35-FQVH-CQ5G n8n: Legacy Expression Evaluator Sanitizer Bypass Leads to Authenticated Code Execution

Impact The legacy expression evaluator's computed-member sanitizer can be bypassed by an authenticated user with workflow create or modify permissions. Successful exploitation grants the attacker host-level code execution as the n8n process. The legacy expression engine is the default engine in...

PT-2026-63349

n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legac...

PT-2026-50151

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.48 n8n versions prior to 2.21.8 n8n versions prior to 2.22.4 Description An authenticated user with permissions to create or modify workflows can bypass the N8N RESTRICT FILE ACCESS TO file sandbox. By providing a...

PT-2026-6265

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.118.0 n8n versions prior to 2.4.0 Description n8n is a workflow automation platform. A flaw in the Merge node’s SQL Query mode permitted authenticated users with workflow creation or modification rights to write arbitra...