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Vulnerability record · CVE-2026-105749 · published 5 October 2026

CVE-2026-105749: Uncontrolled resource consumption vulnerability

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.0.0 until 2.131.0, the HTML, JATS, OpenDocument spreadsheet, and BoxNote backends, including docling/backend/html_backend.py, docling/backend/jats_backend.py, and docling/backend/boxnote_backend.py, accept the rowspan and colspan attribute values without an upper bound and execute loops or allocate a table grid proportional to the declared span. A very small document can therefore cause sustained CPU use or multi-gigabyte memory allocation, and the document_timeout setting does not interrupt the single backend conversion call. Export through the TableData.grid property can further materialize the oversized grid. This issue is fixed in 2.131.0.

6.5 CVSS 3.1 Medium CWE-400 · Uncontrolled resource consumptionCWE-789 · CWE-789 Awaiting Analysis
6.5CVSS 3.1 base score
-EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
6 Oct 2026Last modified by NVD

Description

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.0.0 until 2.131.0, the HTML, JATS, OpenDocument spreadsheet, and BoxNote backends, including docling/backend/html_backend.py, docling/backend/jats_backend.py, and docling/backend/boxnote_backend.py, accept the rowspan and colspan attribute values without an upper bound and execute loops or allocate a table grid proportional to the declared span. A very small document can therefore cause sustained CPU use or multi-gigabyte memory allocation, and the document_timeout setting does not interrupt the single backend conversion call. Export through the TableData.grid property can further materialize the oversized grid. This issue is fixed in 2.131.0.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

LinkTags
https://github.com/docling-project/docling/commit/c5b4429cc6500a344c13edeb22e67610c2159b09
https://github.com/docling-project/docling/pull/4414
https://github.com/docling-project/docling/releases/tag/v2.131.0
https://github.com/docling-project/docling/security/advisories/GHSA-cgc7-9qp3-86m3

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Source: NIST National Vulnerability Database (record CVE-2026-105749), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.