CVE-2026-25049
n8n Has an Expression Escape Vulnerability Leading to RCE
CRITICAL 9.4EPSS 1.6%
n8n is an open source workflow automation platform. Prior to versions 1.123.17 and 2.5.2, an authenticated user with permission to create or modify workflows could abuse crafted expressions in workflow parameters to trigger unintended system command execution on the host running n8n. This issue has been patched in versions 1.123.17 and 2.5.2.
- Affected
- n8n-io · n8n
- CVSS v4.0 GITHUB
- 9.4 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v4.0 GitHub
- 9.4 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - CVSS v3.1 NVD
- 9.9 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - EPSS
- 1.59% chance of exploitation in the next 30 days, 75th percentile
- Published
- 2026-02-04
- Updated
- 2026-02-05
Proof-of-concept exploits (1)
- 0xBlackash/CVE-2026-250490★ · 2026-04-21
Security advisories
- n8n-io/n8n/security/advisories/GHSA-6cqr-8cfr-67f8
- advisories/GHSA-6cqr-8cfr-67f8
- n8n-io/n8n/commit/7860896909b3d42993a36297f053d2b0e633235d