IBM Langflow OSS <1.10.2 Improper Input Validation in PythonREPL Sandbox
CVE-2026-13435 Published on July 30, 2026
Python Interpreter Sandbox Bypass Leading to Sensitive Data Exposure
IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation.
Vulnerability Analysis
CVE-2026-13435 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-13435 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-13435
Want to know whenever a new CVE is published for IBM Langflow Oss? stack.watch will email you.
Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.10.1 is affected.