CVE-2026-21893

CRITICAL EPSS 67.9%
Published Feb 4, 20264mo ago · Modified Jun 17, 20261w ago
9.4 CVSS 4.0
Critical
Find Similar
Published Feb 4, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

n8n is an open source workflow automation platform. From version 0.187.0 to before 1.120.3, a command injection vulnerability was identified in n8n’s community package installation functionality. The issue allowed authenticated users with administrative permissions to execute arbitrary system commands on the n8n host under specific conditions. This issue has been patched in version 1.120.3.

CVSS Details

Base Score
9.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
67.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation
CWE-78 OS Command Injection Injection

Affected Products 1

VendorProductVersionRange
n8nn8n*≥0.187.0  –  <1.120.3

References 2

  • github.com https://github.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838
    Patch
  • github.com https://github.com/n8n-io/n8n/security/advisories/GHSA-7c4h-vh2m-743m
    Vendor Advisory

Remediation

  • github.com https://github.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838
    Patch