CVE-2025-64712: unstructured · Path Traversal
Affects unstructuredSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical : upgrade to 0.18.18 as a priority.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 51% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.18.18
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade unstructured to 0.18.18.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Unstructured-IOunstructured | Affected
| Fixed in
|
PyPIunstructuredpkg:pypi/unstructuredOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Immediate upgrade to unstructured library version 0.18.18 or later to apply the official patch addressing the path traversal vulnerability.
- Implement strict input validation and sanitization for all document ingestion workflows, especially for MSG files and their attachments, to detect and block suspicious pathnames or malformed files.
- Employ sandboxing or containerization for document processing components to limit filesystem access and contain potential exploitation impact.
- Monitor file system changes and logs for unusual write activities originating from document processing services.
- Conduct thorough code audits and dependency reviews to identify and remediate other potential path traversal or directory traversal issues.
- Restrict permissions of the service account running the unstructured library to the minimum necessary, preventing unauthorized file system modifications outside designated directories.
- Establish incident response procedures for rapid containment and remediation if exploitation is suspected.
- Educate development and security teams about secure handling of untrusted document inputs and the importance of timely patching.
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.