CriticalVulnerability
CVE-2026-2635: MLflow authentication bypass through default credentials in basic_auth.ini
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2026-2635
- Published
- Record updated
- Affected
- mlflow < 3.8.0rc0
- Fixed in
- 3.8.0rc0
- released December 15, 2025, 67 days before disclosure
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 1.1%
Summary
CVE-2026-2635 is a vulnerability in MLflow that lets remote attackers bypass authentication without requiring any prior access. The flaw sits in the basic_auth.ini file, which contains hard-coded default credentials. An attacker who exploits it can execute arbitrary code in the context of the administrator.
Mitigation
The source does not state a fix yet. Check the original advisory for updates.
Affected packages in the Exposure Registry
Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.
- mlflowPyPILLM dependency since 2024-05-30 · 17 tracked dependents
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