Skip to content
OpenAdvisories

Package · PyPI

langflow

43 known vulnerabilities.

5 results · Clear filters · Feed

  • High 8.4
    CVE-2026-55255 Exploited Public exploit

    Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow

    Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another use…

    KEV Jul 7, 2026
  • Critical 9.3
    CVE-2026-33017 Exploited Public exploit EPSS 96%

    Langflow has Unauthenticated Remote Code Execution via Public Flow Build Endpoint

    Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the POST /api/v1/build_public_tmp/{flow_id}/flow endpoint allows building public flows without requiring authentication. When the optional data paramete…

    KEV Mar 25, 2026
  • Critical 9.8
    CVE-2026-0770 Exploited Public exploit EPSS 63%

    Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability

    Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to e…

    KEV Jul 21, 2026
  • Critical 9.4
    CVE-2025-34291 Exploited Public exploit EPSS 93%

    Langflow <= 1.6.9 CORS Misconfiguration to Token Hijack & RCE

    Langflow versions up to and including 1.6.9 contain a chained vulnerability that enables account takeover and remote code execution. An overly permissive CORS configuration (allow_origins='*' with allow_credentials=True) combined with a refresh token cookie c…

    KEV May 21, 2026
  • Critical 9.8
    CVE-2025-3248 Exploited · Ransomware Public exploit EPSS 100%

    Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code

    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.

    KEV May 5, 2025