ZDI-26-840: MLflow Tracking Server Jobs Missing Authorization Information Disclosure Vulnerability
Source Zero Day Initiative
Not known to be exploited.
Data as of 29 Oct 2026, 19:18 UTC
Rated Medium by Zero Day Initiative · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
Public on cve.org; its publication date is not in this record
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
AI-suggested
Since the vulnerability requires authentication, restricting access to trusted users and monitoring authenticated sessions may reduce risk.
Description
A vulnerability in the MLflow Tracking Server Jobs component allows remote attackers with authentication to disclose sensitive information. The issue requires valid authentication to exploit and has been assigned a medium severity rating by the Zero Day Initiative with a CVSS score of 5.4.