CVE-2025-15031

A vulnerability in MLflow's pyfunc extraction process allows for arbitrary file writes due to improper handling of tar archive entries. Specifically, the use of `tarfile.extractall` without path validation enables crafted tar.gz files containing `..` or absolute paths to escape the intended extraction directory. This issue affects the latest version of MLflow and poses a high/critical risk in scenarios involving multi-tenant environments or ingestion of untrusted artifacts, as it can lead to arbitrary file overwrites and potential remote code execution.

• CWE-22
• CWE-22

• https://huntr.com/bounties/09856f77-f968-446f-a930-657d126efe4eExploit, Mitigation, Third Party Advisory
• https://access.redhat.com/security/cve/CVE-2025-15031
• https://bugzilla.redhat.com/show_bug.cgi?id=2448912
• https://huntr.com/bounties/09856f77-f968-446f-a930-657d126efe4eExploit, Mitigation, Third Party Advisory
• https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-15031.json

Published

Mar 18, 2026

Last Modified

Jul 15, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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