Path Traversal Vulnerability in Unstructured Library by Unstructured-IO
CVE-2025-64712

9.8CRITICAL

Key Information:

Vendor

Unstructured-io

Status
Unstructured
Vendor
CVE Published:
4 February 2026

What is CVE-2025-64712?

The Unstructured Library, utilized for processing images and text documents, has a path traversal vulnerability in its partition_msg function. This flaw allows an attacker to write or overwrite files on the filesystem when handling malicious MSG files with attachments. Users are encouraged to update to version 0.18.18 or later to mitigate this risk.

Affected Version(s)

unstructured < 0.18.18

References

https://github.com/Unstructured-IO/unstructured/security/...
x_refsource_CONFIRM
https://github.com/Unstructured-IO/unstructured/commit/b0...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.