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highCVSS 7.1NVD status: Undergoing Analysis

CVE-2026-86081

n8n is an open source workflow automation platform.

Componentn8n
Severityhigh (CVSS 7.1)
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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
Published (NVD)2026-09-08
Last modified2026-09-09
Affected versions
< 1.123.76
read from the advisory text: NVD has not published CPE data yet
Fixed in1.123.76
WeaknessCWE-1333
CISA KEVnot listed

NVD description

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the Git node clone operation matched an attacker-controlled destination path against the default N8N_BLOCK_FILE_PATTERNS regular expression. The pattern ^(./).git(/.)$ allowed catastrophic backtracking and ran synchronously in the main n8n process. An authenticated workflow editor could therefore freeze the instance with one workflow execution; the affected default is declared in packages/@n8n/config/src/configs/security.config.ts. This issue is fixed in versions 1.123.76, 2.37.7 and 2.38.2.

Does CVE-2026-86081 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for n8n.
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What to do

  • Upgrade n8n to 1.123.76 or later.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

Read more

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