Critical severity9.8NVD Advisory· Published Feb 4, 2026· Updated Jun 17, 2026
CVE-2025-64712
CVE-2025-64712
Description
The unstructured library provides open-source components for ingesting and pre-processing images and text documents, such as PDFs, HTML, Word docs, and many more. Prior to version 0.18.18, a path traversal vulnerability in the partition_msg function allows an attacker to write or overwrite arbitrary files on the filesystem when processing malicious MSG files with attachments. This issue has been patched in version 0.18.18.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
unstructuredPyPI | < 0.18.18 | 0.18.18 |
Affected products
4- osv-coords2 versions
< 2.6.1-r4+ 1 more
- (no CPE)range: < 2.6.1-r4
- (no CPE)range: < 0.18.18
- Range: < 0.18.18
Patches
Vulnerability mechanics
References
4- github.com/Unstructured-IO/unstructured/commit/b01d35b2373fd087d2e15162b9c021663c97155dnvdPatchWEB
- github.com/Unstructured-IO/unstructured/security/advisories/GHSA-gm8q-m8mv-jj5mnvdMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-gm8q-m8mv-jj5mghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-64712ghsaADVISORY
News mentions
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