CVE-2026-64849
CWE-918
98.7
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. Starting in 3.3.0 and prior to 3.15.0, the unauthenticated POST /api/2.0/mlflow/webhooks/{id}/test endpoint calls _validate_webhook_url() in mlflow/utils/validation.py only for the original URL while mlflow/webhooks/delivery.py follows redirects and re-resolves the hostname without pinning the validated address, allowing attackers to reach internal or cloud metadata services and receive response_status and response_body. This issue is fixed in version 3.15.0.
Source: NVD
Signals
- CVSS
- 9.3
- Critical · v3.1
- EPSS
- 9.83%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Aug 2026
- Fix commit
- Fix commit known
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-918
- Published
- 17 Aug 2026
- Last modified 5 Oct 2026
How to read these signals: RPS · EPSS · CISA KEV · Data sources
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Data as of 7 Oct 2026, 05:16 UK time