CVE-2025-3248 – langflow

Package

Manager: pip
Name: langflow
Vulnerable Version: >=0 <1.3.0

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.92764 pctl0.99755

Details

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.

Metadata

Created: 2025-06-17T20:14:26Z
Modified: 2025-06-30T14:54:12Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-rvqx-wpfh-mfx7/GHSA-rvqx-wpfh-mfx7.json
CWE IDs: ["CWE-94"]
Alternative ID: GHSA-rvqx-wpfh-mfx7
Finding: F184
Auto approve: 1