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CVE-2026-64849: MLflow Server-Side Request Forgery Vulnerability

criticalknown exploitedpublic exploitCVE-2026-64849
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: MLflowproduct: MLflowServer-side request forgeryaffected: prior to 3.15.0
What
SSRF vulnerability permitting access to internal or cloud metadata services with response disclosure.
Who is affected
Any MLflow instance prior to 3.15.0 accessible to unauthenticated attackers.
Urgency
Critical; actively exploited vulnerability with full response body disclosure capability.
Action
Upgrade to MLflow 3.15.0 or restrict network access to webhook testing endpoints.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-08-19
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-64849

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-64849coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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