PT-2026-2000 · Langflow · Langflow

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CVE-2026-0770

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Published

2026-01-09

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Updated

2026-10-08

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Langflow versions prior to 1.3.0
Description Remote attackers can execute arbitrary code on affected installations without requiring authentication. The issue stems from the inclusion of a resource from an untrusted control sphere within the handling of the exec globals parameter provided to the 'validate' endpoint. This flaw allows an attacker to execute code in the context of root.
Recommendations Update to version 1.3.0 or later. As a temporary workaround, restrict access to the 'validate' endpoint to minimize the risk of exploitation.

Exploit

Fix

RCE

DoS

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Weakness Enumeration

Related Identifiers

CVE-2026-0770
GHSA-G22F-V6F7-2HRH
PYSEC-2026-1525
ZDI-26-036

Affected Products

Langflow