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n8n has a Python Task Runner Sandbox Escape Vulnerability

🗓️ 29 Apr 2026 21:21:50Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 45 Views

Authenticated users with Python Code Node can escape the sandbox and execute code on the task runner; upgrade to fixed versions.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42234
4 May 202618:36
–attackerkb
bdu_fstec
BDU FSTEC
N8n Python Task Runner Code Execution
18 May 202600:00
–bdu_fstec
cnnvd
CNNVD
n8n code injection vulnerability
4 May 202600:00
–cnnvd
cve
CVE
CVE-2026-42234
4 May 202618:36
–cve
cvelist
Cvelist
CVE-2026-42234 n8n: Python Task Runner Sandbox Escape
4 May 202618:36
–cvelist
euvd
EUVD
EUVD-2026-27109
4 May 202618:36
–euvd
mend
Mend
CVE-2026-42234
4 May 202618:36
–mend
nvd
NVD
CVE-2026-42234
4 May 202619:16
–nvd
osv_ghsa
osv_ghsa
GHSA-44V6-JHGM-P3M4 n8n has a Python Task Runner Sandbox Escape Vulnerability
29 Apr 202621:21
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-36904
4 May 202600:00
–ptsecurity
Rows per page
Vulners
Node
OR
n8nn8nRange2.17.0–2.17.4npm
n8nn8nRange2.18.0–2.18.1npm
n8nn8nRange<1.123.32npm

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08 May 2026 01:31Current
7.2High risk
Vulners AI Score7.2
CVSS 3.18.8
CVSS 47.1
EPSS0.00377
SSVC
45