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CVE-2026-105747

4.3 · MEDIUM

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem.

Published Oct 5, 2026doclingCWE-409EPSS 0.30%

Overview

CVE-2026-105747 is a medium-severity vulnerability affecting docling docling. It was published on October 5, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.45.0 until 2.131.0, METS-GBS format detection in docling/datamodel/document.py and the backend in docling/backend/mets_gbs_backend.py call tarfile.TarFile.getmembers() before enforcing the max_member_count limit, causing the full archive member list to be allocated before the limit can stop processing. A small gzip-compressed tar archive with a very large number of empty members can therefore consume memory proportional to the declared member count, including during format detection before the allowed_formats restriction is applied. This issue is a residual weakness in the member-count protection added for CVE-2026-44018. This issue is fixed in 2.131.0.

Remediation

Check the references section for vendor advisories and patches from docling. Update docling to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
doclingdocling>= 2.45.0, < 2.131.0Affected

References

GitHubgithub.com/docling-project/docling/commit/ebae65cd71c37c88b36185b406a449b92d8f7ffaGitHubgithub.com/docling-project/docling/pull/4412GitHubgithub.com/docling-project/docling/releases/tag/v2.131.0GitHubgithub.com/docling-project/docling/security/advisories/GHSA-3cr3-8m4c-fpxw

How CyberStrike helps

Frequently asked questions

What is CVE-2026-105747?

CVE-2026-105747 is a medium-severity vulnerability affecting docling docling. It was published on October 5, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-105747?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-105747?

Check the references section for vendor advisories and patches from docling. Update docling to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-105747?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-105747 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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