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Vulnerability record · CVE-2026-105748 · published 5 October 2026

CVE-2026-105748: Information exposure vulnerability

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.16.0 until 2.131.0, the InputFormat.JSON_DOCLING backend in docling/backend/json/docling_json_backend.py validates serialized DoclingDocument input without rejecting picture image references that contain local paths or file URIs. When the document is enriched or exported with ImageRefMode.EMBEDDED, the DoclingDocument._with_embedded_pictures and ImageRef.pil_image methods can open those references and place readable image bytes in Markdown or HTML output. Disclosure is limited to files Pillow can decode as images, while differing decode behavior can also reveal whether a path exists. Direct untrusted loading through docling-core is outside this Docling fix. This issue is fixed in 2.131.0.

4.3 CVSS 3.1 Medium CWE-73 · CWE-73CWE-200 · Information exposure Awaiting Analysis
4.3CVSS 3.1 base score
-EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
6 Oct 2026Last modified by NVD

Description

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.16.0 until 2.131.0, the InputFormat.JSON_DOCLING backend in docling/backend/json/docling_json_backend.py validates serialized DoclingDocument input without rejecting picture image references that contain local paths or file URIs. When the document is enriched or exported with ImageRefMode.EMBEDDED, the DoclingDocument._with_embedded_pictures and ImageRef.pil_image methods can open those references and place readable image bytes in Markdown or HTML output. Disclosure is limited to files Pillow can decode as images, while differing decode behavior can also reveal whether a path exists. Direct untrusted loading through docling-core is outside this Docling fix. This issue is fixed in 2.131.0.

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

References

LinkTags
https://github.com/docling-project/docling/commit/d4bb776884aba9aa3132f54773f420853cf7afe4
https://github.com/docling-project/docling/pull/4417
https://github.com/docling-project/docling/releases/tag/v2.131.0
https://github.com/docling-project/docling/security/advisories/GHSA-p944-4xh2-x776
https://github.com/docling-project/docling/security/advisories/GHSA-p944-4xh2-x776

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Source: NIST National Vulnerability Database (record CVE-2026-105748), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.