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Description

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.

PUBLISHED Reserved 2026-01-28 | Published 2026-02-04 | Updated 2026-02-05 | Assigner GitHub_M




CRITICAL: 9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem types

CWE-913: Improper Control of Dynamically-Managed Code Resources

Product status

< 1.123.17
affected

< 2.5.2
affected

References

github.com/...io/n8n/security/advisories/GHSA-6cqr-8cfr-67f8

github.com/...ommit/7860896909b3d42993a36297f053d2b0e633235d

github.com/...ommit/936c06cfc1ad269a89e8ef7f8ac79c104436d54b

cve.org (CVE-2026-25049)

nvd.nist.gov (CVE-2026-25049)

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