CVE entry · CVE-2026-64849
CVE-2026-64849: MLflow Server-Side Request Forgery Vulnerability
MLflow contains a server-side request forgery vulnerability that can allow attackers to reach internal or cloud metadata services and receive response_status and response_body.
- Actively exploited: added to CISA’s KEV catalog on August 19, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: September 2, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes MLflow, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.