Vulnerability · Published Nov 3, 2026 · Assigned by zdi

CVE-2026-118624MLflow Tracking Server Jobs Missing Authorization Information Disclosure Vulnerability

Medium 5.4

In plain English

A medium-severity missing authorization in MLflow from MLflow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.0)5.4Medium

Exploit odds (30 days)0.4%top 69.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

MLflow Tracking Server Jobs Missing Authorization Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of MLflow. Authentication is required to exploit this vulnerability. The specific flaw exists within the _find_validator function. The issue results from the lack of authorization prior to allowing access to functionality. An attacker can leverage this vulnerability to disclose information in the context of the service account. Was ZDI-CAN-31894.

Affected products (as reported)

Vendor	Product	Versions
MLflow	MLflow	3.13.0

Weakness: CWE-862 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

References

ZDI-26-840 x_research-advisory