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

Source: https://junglewise.ai/threats/cve-2025-64712-unstructured-has-path-traversal-via-malicious-msg-attachment-that  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-29  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/unstructured). Vendors: [PyPI](https://junglewise.ai/threats/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

  ```sh
  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

## Related threats

- [unstructured library stored XSS via unescaped HTML generation](https://junglewise.ai/threats/cve-2026-104250-unstructured-stored-xss-via-unescaped-html-generation)
- [Unstructured partition server-side request forgery](https://junglewise.ai/threats/cve-2026-71428-unstructured-partition-server-side-request-forgery)
- [GO-2024-3315 - in github.com/Unstructured-IO/unstructured](https://junglewise.ai/threats/cve-2024-46455-unstructured-xml-external-entity-injection-in-xmlparser)