GHSA-vhcx-3pq2-4fvc: mlflow (CVE-2025-15036)

MLFlow path traversal vulnerability

CVSS 9.6 CriticalCriticalEPSS 0.0059 · 48th percentile

Critical, because:

CVSS score 9.6: 9.0 or more.

Published by the GitHub Advisory Database at 30 Mar 2026, 03:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
mlflow	PyPI	<3.9.0rc0	3.9.0rc0

Identifiers

GHSA-vhcx-3pq2-4fvc · BIT-mlflow-2025-15036 · CVE-2025-15036 · PYSEC-2026-425

Weakness (CWE)

CWE-22 · CWE-29

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

mlflow versions before 3.9.0rc0 are vulnerable to path traversal during tar archive extraction, because tar member paths are not validated. An attacker who controls a tar.gz file can overwrite arbitrary files and potentially gain elevated privileges. Upgrade to mlflow 3.9.0rc0 or later.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.6	Critical	3.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	CNA (@huntr_ai)

CISA KEV Not listed.
EPSS 0.0059, the 48th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 14:11 UTC First seen by agentprime
31 Oct 2026, 14:11 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.