Critical 9.8
KEV + Ransomware
CVE-2025-3248
JadePuffer LLM Agent Executes First Agentic Ransomware Attack
Vendor / product: Langflow
Event date: 2026-06-15
Public PoC: Yes
First tracked by RiskWire: 2026-07-28
CISA KEV catalog
Added to KEV
Federal remediation due
2025-05-26 (482 days overdue)
Ransomware campaign use
Known
CISA 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.
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.
Named threat actors
JadePuffer
Sources & citations (4)
- JadePuffer and the Arrival of Agentic Ransomware rodtrent.substack.com · 2026-08-11
- AI Fixes Hacked Server in 31 Seconds During Ransomware Attack, Security Researchers Say ibtimes.sg · 2026-07-28
- The Illusion of AI Containment: Why AI Guardrails Won't Save Your Supply Chain bitsight.com · 2026-08-04
- The U.S. Cyber Strategy Has a Scaling Problem and AI Is Exposing It securityboulevard.com · 2026-08-04
References
See CVE-2025-3248 in context
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