# CVE-2026-118626: MLflow Tracking Server Issues Missing Authorization Privilege Escalation Vulnerability

Status: published. Published: 2026-11-03. Updated: 2026-11-03.

MLflow Tracking Server Issues Missing Authorization Privilege Escalation Vulnerability. This vulnerability allows remote attackers to escalate privileges on affected installations of MLflow. Authentication is required to exploit this vulnerability.

The specific flaw exists within the configuration of the BEFORE_REQUEST_HANDLERS. The issue results from the lack of authorization prior to allowing access to functionality. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the user. Was ZDI-CAN-32108.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- MLflow / MLflow: 3.14.0 (affected). Source: CNA: zdi

## Severity and prioritization

- CVSS 3.0: 5.4 (medium); CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N; source: CNA: zdi

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-862

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.zerodayinitiative.com/advisories/ZDI-26-842/ (CNA: zdi; x_research-advisory)

## Provenance

- CNA: zdi: https://www.cve.org/CVERecord?id=CVE-2026-118626; retrieved 2026-11-04; source updated 2026-11-03

Revision: 7bf053bb8303144e36c0ce4d9f46d63b09891bb3e8b607912501dbba9e1a5454

Canonical: https://y2.dev/cve/CVE-2026-118626

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Collected public records only. Check source status for coverage and freshness.