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CVE-2025-64712

Unstructured path traversal

9.8 CRITICALEPSS 0.67%
  1. Published4 Feb 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Unstructured< 0.18.18

Remediation

Fixed in
Unstructured≥ 0.18.18

References

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Frequently asked

Is CVE-2025-64712 being actively exploited?

CVE-2025-64712 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.67%.

How severe is CVE-2025-64712?

CVE-2025-64712 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.67% probability of exploitation.

Which products are affected by CVE-2025-64712?

Affected products include Unstructured.

How do I fix CVE-2025-64712?

Upgrade affected software to a fixed version, for example Unstructured 0.18.18 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-64712 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.