CVE-2025-3248

Published Apr 7, 2025

Last updated 3 months ago

Langflow

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-3248 is a code injection vulnerability that affects Langflow versions prior to 1.3.0. It exists in the `/api/v1/validate/code` endpoint, where a remote, unauthenticated attacker can send crafted HTTP requests to execute arbitrary code on the server. This vulnerability allows attackers to gain control of vulnerable Langflow servers without needing authentication. To remediate this vulnerability, users are advised to upgrade to Langflow version 1.3.0 or restrict network access to the application.

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.
Source: disclosure@vulncheck.com
NVD status: Analyzed
Products: langflow

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: Langflow Missing Authentication Vulnerability
Exploit added on: May 5, 2025
Exploit action due: May 26, 2025
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

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

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "464AFA20-81A9-41A6-B9F1-CD38B64C40C7",
            "versionEndExcluding": "1.3.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.