TI-2026-84870 Aliases CVE-2026-118626 GHSA-5wwc-v2xc-r6fq

Missing authorization in MLflow lets users escalate privileges

LOW 26CWE-862Published 2026-11-03 · Updated 2026-11-05

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · None
Fix status: Deferred Red Hat: fix deferred

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-862.

Summary

MLflow versions from 3.14.0 are affected. The Tracking Server's BEFORE_REQUEST_HANDLERS configuration does not check authorization before it grants access to functionality (CWE-862). A remote attacker who has authenticated with low privileges can escalate privileges to resources normally protected from the user.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00225 13th percentileScored 2026-11-07

Fix Deferred Red Hat: fix deferred

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
MLflow	MLflow	3.14.0	—	No fix listed	CNA

MLflow VendorMLflow Affected 3.14.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:lfprojects:mlflow::::::::	—	—	MLflow

cpe:2.3:a:lfprojects:mlflow:*:*:*:*:*:*:*:* Versions — — ·MLflow

Remediation

The sources list no fixed version for MLflow. Red Hat rates the issue Moderate and lists Red Hat OpenShift AI (RHOAI) as affected with no fix available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat OpenShift AI (RHOAI)	Affected	No fix yet: Fix deferred

Timeline

2026-11-03 Threatist record created from CVE-2026-118626
2026-11-04 Affected versions changed · Red Hat
2026-11-04 CVSS score added · Red Hat
2026-11-04 Alias added: GHSA-5wwc-v2xc-r6fq
2026-11-04 CISA SSVC decision points changed
2026-11-04 Priority changed: MEDIUM → LOW
2026-11-05 CISA SSVC decision points changed

References

Other 1

ZDI-26-842

TI-2026-46366 Server-side request forgery in mlflow KEVCVSS 3.1CRITICAL 9.3
TI-2023-03518 Absolute Path Traversal in mlflow/mlflow CVSS 3.1CRITICAL 10.0
TI-2023-01113 Path Traversal: '\..\filename' in mlflow/mlflow CVSS 3.1CRITICAL 9.8
TI-2025-31759 Redis Lua Use-After-Free may lead to remote code execution CVSS 3.1CRITICAL 10.0
TI-2026-81527 Code execution via scorer deserialization in MLflow servers CVSS 3.1CRITICAL 9.8
TI-2025-14028 Command Injection in mlflow/mlflow CVSS 3.1CRITICAL 10.0

See all 175 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences