PT-2026-66540 · Langflow+2 · Langflow+1

CVE-2026-13435

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Published

2026-07-30

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Updated

2026-08-04

CVSS v3.1

9.9

Critical

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.1
Description Improper input validation occurs within the PythonREPL sandbox implementation. This issue allows for the execution of unauthorized code by bypassing the restrictions intended for the sandbox environment.
Recommendations Update IBM Langflow OSS to a version later than 1.10.1. As a temporary mitigation, restrict access to the PythonREPL component.

Fix

Code Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-13435

Affected Products

Langflow
Langflow Oss