CVE-2026-49444Network attack vector

Authenticated code execution via Python sandbox escape

Published Jun 23, 2026 · Updated Jun 23, 2026

Sandbox escape in n8n 1.123.47 and earlier and affected 2.x releases allows remote authenticated users to execute code in task runners. The Python Task Runner fails to contain code supplied through a Python Code Node, but n8n has not disclosed the faulty validation or escape primitive. Exploitation requires workflow creation or modification rights and an enabled Python Task Runner, and code executes inside its container.

CVSS severity7.1
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sandbox escape in n8n 1.123.47 and earlier and affected 2.x releases allows remote authenticated users to execute code in task runners. The Python Task Runner fails to contain code supplied through a Python Code Node, but n8n has not disclosed the faulty validation or escape primitive. Exploitation requires workflow creation or modification rights and an enabled Python Task Runner, and code executes inside its container.

The record

CVE
CVE-2026-49444
Published
Jun 23, 2026
Updated
Jun 23, 2026
Vendor
n8n
Product
n8n
Classifications
CWE-20, T1059.006
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 1.123.48
  2. Affected versionversion=>= 2.0.0-rc.0, < 2.21.8
  3. Affected versionversion=>= 2.22.0, < 2.22.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

n8n · n8nversion=< 1.123.48; version=>= 2.0.0-rc.0, < 2.21.8; version=>= 2.22.0, < 2.22.4

Published CVSS scores

7.1GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1059.006Command and Scripting Interpreter: Python

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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