CVE-2026-105748: CWE-73: External Control of File Name or Path in docling-project docling
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 v3.1
Score 4.3medium
Affected software
docling-project
docling
docling-project
docling-slim
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-10-05T19:11:07.947Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac41b4d2cdf04f6563d8ed0
Added to database: 10/05/2026, 21:49:01 UTC
Last updated: 10/05/2026, 21:49:01 UTC
Views: 1
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