CVE-2025-3248—Langflow Missing Authentication Vulnerability

Vulnerability Name

Langflow Missing Authentication Vulnerability

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

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.

Additional Notes

• 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

Related News Articles

• JadePuffer ransomware used AI agent to automate entire attackJuly 4, 2026
• New Avalon Malware Framework Packs CrownX Ransomware CapabilitiesJuly 3, 2026
• AI Agent Exploits Langflow RCE to Automate Database Ransomware AttackJuly 2, 2026
• Path traversal flaw in AI dev platform Langflow exploited in attacksJune 10, 2026
• LangChain, LangGraph Flaws Expose Files, Secrets, Databases in Widely Used AI FrameworksMarch 27, 2026

Related Weaknesses

• CWE-306