CVE-2025-11200

MLflow Weak Password Requirements Authentication Bypass Vulnerability

At a glance

Severity: HIGH 8.1
EPSS: EPSS 1.44 % · percentile 73 (2026-10-27)
State: PUBLISHED
Published: 2025-10-29
Updated: 2026-02-26
Assigner: zdi
NVD status: Analyzed

Description

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords. The issue results from weak password requirements. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26916.

Scores

Version	Score	Vector	Scored by
CVSS 3.0	HIGH 8.1	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	zdi
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.0	HIGH 8.1	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · zdi-disclosures@trendmicro.com (Secondary)

Weaknesses (CWE)

CWE-521

Advisories

GHSA-6xj8-rrqx-r4cv — MLflow Weak Password Requirements Authentication Bypass Vulnerability
PYSEC-2026-1642 — MLflow Weak Password Requirements Authentication Bypass Vulnerability

European references

ENISA EUVD · EUVD-2025-36706
GCVE · GCVE-0-2025-11200

Affected configurations (NVD CPE)

cpe:2.3:a:lfprojects:mlflow:*:*:*:*:*:*:*:* ≤ 2.21.0

Affected products

Product	Versions
MLflow · MLflow	affected 2.21.0

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD