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CriticalVulnerability

CVE-2026-2635: MLflow authentication bypass through default credentials in basic_auth.ini

Identifier
CVE-2026-2635
Published
Record updated
View JSON
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.