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CVE-2026-64849BIT-mlflow-2026-64849GHSA-7gwp-5pfp-969jPYSEC-2026-3687

MLflow Server-Side Request Forgery Vulnerability

MLflow MLflowpipLibraries & packages
Open in ThreatlineRecord JSON
CVSS
9.3Critical
ExploitationExploited in the wildAdded to KEV 19 Aug 2026CISA KEV
Exploit odds (EPSS)10.0%Chance of exploitation activity in the next 30 days, higher than 95% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.15.0Fixed versionGitHub
Federal deadline2 Sep 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. CISA KEV

What fixes it

  • 3.15.0mlflow, pipGitHub
  • 3.15.0mlflow, PyPIOSVpip install "mlflow>=3.15.0"

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 17 Aug 2026, 21:16 UTCPublishedCVE List
  2. 19 Aug 2026Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateMLflow Webhook SSRF - Unauthenticated Full-Read via Redirect BypassNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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.

Text from CVE List

Affected versions 32

  • mlflow, pip>= 3.3.0, < 3.15.0GitHub
  • mlflowaffected: >= 3.3.0, < 3.15.0CVE List
  • mlflow, PyPIfrom 3.3.0, fixed in 3.15.0OSV
  • mlflow, PyPI3.10.0OSV
  • mlflow, PyPI3.10.0rc0OSV
  • mlflow, PyPI3.10.1OSV
  • mlflow, PyPI3.11.0OSV
  • mlflow, PyPI3.11.0rc0OSV
  • mlflow, PyPI3.11.0rc1OSV
  • mlflow, PyPI3.11.1OSV
  • mlflow, PyPI3.12.0OSV
  • mlflow, PyPI3.12.0rc0OSV
  • mlflow, PyPI3.13.0OSV
  • mlflow, PyPI3.13.0rc0OSV
  • mlflow, PyPI3.14.0OSV
  • mlflow, PyPI3.3.0OSV
  • mlflow, PyPI3.3.1OSV
  • mlflow, PyPI3.3.2OSV
  • mlflow, PyPI3.4.0OSV
  • mlflow, PyPI3.4.0rc0OSV
  • mlflow, PyPI3.5.0OSV
  • mlflow, PyPI3.5.0rc0OSV
  • mlflow, PyPI3.5.1OSV
  • mlflow, PyPI3.6.0OSV
  • mlflow, PyPI3.6.0rc0OSV
  • mlflow, PyPI3.7.0OSV
  • mlflow, PyPI3.7.0rc0OSV
  • mlflow, PyPI3.8.0OSV
  • mlflow, PyPI3.8.0rc0OSV
  • mlflow, PyPI3.8.1OSV
  • mlflow, PyPI3.9.0OSV
  • mlflow, PyPI3.9.0rc0OSV

References 11