CVE-2026-8481

IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the code validation API endpoint. The POST /api/v1/validate/code endpoint accepts user-supplied Python code and executes it directly using Python's built-in exec function without sandboxing, input...

PT-2026-60865

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description An issue exists in the code validation API endpoint that allows authenticated users to execute arbitrary system commands with the full privileges of the server process. The endpoint...

PT-2026-60833

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description Unauthenticated attackers can achieve remote code execution RCE on default deployments by chaining two endpoints. First, the '/api/v1/auto login' endpoint allows the minting of SUPERUS...

Langflow Unauth RCE

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code...

PYSEC-2026-380 Langflow Unauth RCE

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the api/v1/validate/code endpoint. A low-privileged user can gain administrative privileges by executing the /app/.venv/bin/langflow superuser command. Remediation Upgrade langflow-base to version 0.5.1 or...

📄 Langflow 1.2.x Remote Code Execution

Langflow exposes a vulnerable endpoint /api/v1/validate/code that improperly evaluates arbitrary Python code via the exec function. An unauthenticated remote attacker can execute arbitrary system commands. Versions 1.2.x and below are affected. !/usr/bin/env python3 Exploit Title: Langflow 1.2.x ...

Langflow Code Injection

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code...

VulnCheck KEV: CVE-2025-3248

Langflow contains a missing authentication vulnerability in the /api/v1/validate/code endpoint that allows a remote, unauthenticated attacker to execute arbitrary code via crafted HTTP requests...

PYSEC-2025-36

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrarycode...