Exploited vulnerability CISA KEV
CVE-2026-64849: MLflow Server-Side Request Forgery Vulnerability
CVE-2026-64849 is a vulnerability in MLflow MLflow that CISA added to its Known Exploited Vulnerabilities catalog on August 19, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by September 2, 2026.
CVE-2026-64849 is a vulnerability in MLflow MLflow that CISA added to its Known Exploited Vulnerabilities catalog on August 19, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by September 2, 2026.
- CVE ID
- CVE-2026-64849
- Vendor / project
- MLflow
- Product
- MLflow
- Added to KEV
- Due date
- Days to remediate
- 14
- Known ransomware use
- Unknown
- Weakness
- CWE-918
CISA 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.
Required action #
Apply 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.
Notes and references #
https://github.com/mlflow/mlflow/pull/24258 ; https://github.com/mlflow/mlflow/issues/24179 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-64849
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