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CVE-2026-49444

n8n: Python sandbox escape

HIGH
8.5
CVSS Score
Published: June 23, 2026 at 03:50 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
2 products affected across 2 vendorsN8NN8N

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Severity
HIGH8.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

n8n is an open source workflow automation platform. Prior to 1.123.48, 2.21.8, and 2.22.4, an authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This vulnerability is fixed in 1.123.48, 2.21.8, and 2.22.4.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

N8N· N8Nnpm
95%
v < 1.123.482.0.0 ≤ v < 2.21.82.22.0 ≤ v < 2.22.4
Affected range stops below 1.123.48, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.21.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.22.4, so it looks safe — our inference, not a vendor statement
N8N· N8N Io
90%
v < 1.123.48
Affected range stops below 1.123.48, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.21.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.22.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMMitigationVendor Advisory
Source: cverecord
https://github.com/n8n-io/n8n/security/advisories/GHSA-9pq8-m8gp-4p53

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20

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