Origin validation error in MLflow - CVE-2025-14279
Published: January 14, 2026 / Updated: August 3, 2026
Vulnerability identifier: #VU140780
CSH Severity: High
CVSS v4: 8.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-14279
CWE-ID: CWE-346
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to access, modify, or delete sensitive experiment data.
The vulnerability exists due to origin validation error in the REST server experiments/search endpoint when handling cross-origin requests. A remote attacker can trick a user into visiting a malicious website that issues unauthorized requests to access, modify, or delete sensitive experiment data.
User interaction is required to visit a malicious website.
Affected software
MLflow
How to mitigate CVE-2025-14279
Install security update from vendor's website.
MLflow - update to 3.5.0