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highCVSS 7.3NVD status: Deferred

CVE-2026-2635

MLflow Use of Default Password Authentication Bypass Vulnerability.

ComponentMLflow
Severityhigh (CVSS 7.3)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published (NVD)2026-02-20
Last modified2026-07-15
Affected versionsnot published yet, see the advisory
Fixed insee the vendor advisory
WeaknessCWE-1393CWE-798
CISA KEVnot listed

NVD description

MLflow Use of Default Password Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the basic_auth.ini file. The file contains hard-coded default credentials. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of the administrator. Was ZDI-CAN-28256.

Does CVE-2026-2635 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for MLflow.
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What to do

  • NVD lists no fixed version yet: follow the vendor advisory below and keep MLflow off the public internet until a fix ships.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

Read more

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