CVE-2024-42835: langflow v1.0.12 was discovered to contain a remote code execution (RCE) vulnerability via the PythonCodeTool component.
criticalvulnerability
security
Summary
Langflow v1.0.12 contains a remote code execution vulnerability (RCE, where an attacker can run commands on a system they don't own) in its PythonCodeTool component. This flaw allows attackers to execute arbitrary code through the tool. The vulnerability was publicly disclosed in October 2024.
Vulnerability Details
CVSS Score
9.8(critical)
EPSS (30-day exploit probability)
EPSS: 12.6%
Classification
Attack Type
Other
Attack SophisticationModerate
Impact (CIA+S)
integrityconfidentiality
Affected Vendors
LangChain
Related Issues
criticalcritical
CVE-2024-27444: langchain_experimental (aka LangChain Experimental) in LangChain before 0.1.8 allows an attacker to bypass the CVE-2023-
Same vendorNVD/CVE Database
CVE-2025-45150: Insecure permissions in LangChain-ChatGLM-Webui commit ef829 allows attackers to arbitrarily view and download sensitive
Same vendor
Original source: https://nvd.nist.gov/vuln/detail/CVE-2024-42835
First tracked: February 15, 2026 at 08:48 PM
Classified by LLM (prompt v3) · confidence: 92%