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CVE-2025-3248 PoC — Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-3248.yaml
Associated Vulnerability
Title:Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code (CVE-2025-3248)
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.
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.
File Snapshot

 id: CVE-2025-3248

info:
  name: Langflow AI - Unauthenticated Remote Code Execution
  author: nvn17

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