VULNERABILITY INTELLIGENCE

CVE-2025-3248

CVSS score9.8 CRITICAL

EPSS probability99.99%

CISA KEVKnown exploited vulnerability

Published2025-04-07

Last modified2026-10-08

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

Known Exploited Vulnerability

Langflow Missing Authentication Vulnerability

Vendor / product: Langflow / Langflow

Description

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.

Weakness classification

disclosure@vulncheck.com: CWE-306
nvd@nist.gov: CWE-94

Primary references

disclosure@vulncheck.com — Patch
disclosure@vulncheck.com — Release Notes
disclosure@vulncheck.com — Exploit, Third Party Advisory
disclosure@vulncheck.com — Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource