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Langflow: actively exploited vulnerabilities

6 vulnerabilities in Langflow products (Langflow) are in CISA’s catalog of exploited vulnerabilities, 3 of them added in the last 90 days. Last added: August 4, 2026.

Langflow security advisories

The brand’s general security advisories page, not the advisory for a specific vulnerability (address checked September 28, 2026).

By category

Add just one Langflow category to your radar, or open its page.

A high count also reflects how widely a product is deployed and how much attackers care about it: it is not a security rating.

Affected products

  • Langflow6 vulnerabilities, AI and automation

Names used by CISA: IBM, Langflow. Product families: indicative classification by this site.

Patch first

In the order of the main list (Patch first): recent additions first, then the most severe. The number is the rank within this Langflow list.

  1. Rank 1

    LangflowCVE-2026-9198

    IBM Langflow Code Injection Vulnerability

    Hunt for compromise (CISA)

    CVSS severity 9.8critical

    Added Aug 4, 2026

  2. Rank 2

    LangflowCVE-2026-0770

    Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability

    Hunt for compromise (CISA)

    CVSS severity 9.8critical

    Added Jul 21, 2026

  3. Rank 3

    LangflowCVE-2026-33017

    Langflow Code Injection Vulnerability

    CVSS severity 9.8critical

    Added Mar 25, 2026

  4. Rank 4

    LangflowCVE-2025-34291

    Langflow Origin Validation Error Vulnerability

    CVSS severity 8.8high

    Added May 21, 2026

  5. Rank 5

    LangflowCVE-2026-55255

    Langflow Authorization Bypass Through User-Controlled Key Vulnerability

    Hunt for compromise (CISA)

    CVSS severity 8.4high

    Added Jul 7, 2026

  6. Rank 6

    LangflowCVE-2025-3248

    Langflow Missing Authentication Vulnerability

    Ransomware

    CVSS severity 9.8critical

    Added May 5, 2025

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Indicative classification, based on the vendor and product names given by CISA. How products are classified.