CVE-2025-64712
CVE-2025-64712 is a critical-severity vulnerability in Unstructured with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-206785
- Weakness: CWE-22
- Affected product: Unstructured
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-64712?
- 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.
- How severe is CVE-2025-64712?
- CVE-2025-64712 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-64712 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-64712?
- CVE-2025-64712 affects Unstructured. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-64712?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-64712 have an EU (EUVD) identifier?
- Yes. CVE-2025-64712 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206785.
- When was CVE-2025-64712 published?
- CVE-2025-64712 was published on 2026-02-04 and last updated on 2026-06-17.
References
- https://github.com/Unstructured-IO/unstructured/commit/b01d35b2373fd087d2e15162b9c021663c97155d
- https://github.com/Unstructured-IO/unstructured/security/advisories/GHSA-gm8q-m8mv-jj5m
Affected products (1)
- cpe:2.3:a:unstructured:unstructured:*:*:*:*:*:python:*:*
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