CVE-2025-64712: PYSEC-2026-558 - Unstructured has Path Traversal via Malicious MSG Attachment that Allows Arbitrary File Write

CVE-2025-64712 · Severity: low · CVSS 3.1 · Published 2026-06-29

Unstructured has Path Traversal via Malicious MSG Attachment that Allows Arbitrary File Write

Technologies: unstructured (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-64712 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-64712 being exploited in the wild.
How severe is CVE-2025-64712?
Low severity, with a CVSS score of 3.1, published 29 June 2026.
Which products and versions are affected?
unstructured (PyPI) ECOSYSTEM:introduced=0,fixed=0.18.18.
Is there a fix for CVE-2025-64712?
Yes. unstructured (PyPI): upgrade to 0.18.18 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-64712?
Check whether you run unstructured (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • unstructured (PyPI): upgrade to 0.18.18 or later
    pip install "unstructured>=0.18.18"

Affected products

  • unstructured (PyPI) ECOSYSTEM:introduced=0,fixed=0.18.18

Identifiers

  • CVE-2025-64712
  • GHSA-gm8q-m8mv-jj5m
  • PYSEC-2026-558

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.