CVE-2025-3248

CRITICALCVSS 9.8Known Exploited

CISA Known Exploited Vulnerability

This vulnerability affects a common open-source project, third-party library, or a protocol used by different products. For more information, please see: https://github.com/advisories/GHSA-c995-4fw3-j39m ; https://nvd.nist.gov/vuln/detail/CVE-2025-3248

Remediation deadline: May 26, 2025

Ransomware use: Known

Description

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.

Timeline

Published:April 7th, 2025 3:15 PM

Last modified:July 14th, 2026 11:17 PM

Added to KEV:May 5th, 2025

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Software

From NVD CPE configuration data

Vendors

langflow

Products

langflow

Weaknesses (CWE)

CWE-306 CWE-94

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute