Is CVE-2025-3248 actively exploited?

CVE-2025-3248 has no public evidence of in-the-wild exploitation as of 2025-11-06.

What is the CVSS score for CVE-2025-3248?

CVE-2025-3248 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2025-3248?

Patch guidance is available from langflow security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-3248.

Fix CVE-2025-3248 - CRITICAL 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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-306 · Missing Authentication CWE-94 · Code Injection CWE-306 · Missing Authentication

Metadata

Primary Vendor: LANGFLOW
Published: 4/7/2025
Last Modified: 11/6/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-3248

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary