Docling-Project Docling/Docling-Slim up to 2.118.0 HTML Document Backend render_page information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Docling-Project Docling and Docling-Slim up to 2.118.0. Affected is the function HTMLDocumentBackend._get_browser_request_block_reason of the component HTML Document Backend. Performing a manipulation of the argument render_page results in information disclosure. This vulnerability is identified as CVE-2026-105750. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Docling-Project Docling and Docling-Slim up to 2.118.0. This affects the function HTMLDocumentBackend._get_browser_request_block_reason of the component HTML Document Backend. The manipulation of the argument render_page with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.82.0 until 2.118.1, HTMLBackendOptions(render_page=True) permits file URLs because HTMLDocumentBackend._get_browser_request_block_reason does not enforce the enable_local_fetch setting or confine local requests to the source document directory. Crafted path-backed HTML can embed a readable local text file in a browser-rendered page image when Playwright is installed. Only filesystem Path inputs are affected because stream inputs use an opaque origin, and the default configuration, command-line interface, docling-serve, and non-rendering backends are not affected. This issue is fixed in 2.118.1.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-105750 since 10/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 2.118.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-92814). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Project Management Software

Vendor

• Docling-Project

Name

• Docling
• Docling-Slim

Version

• 2.118

Website

• Product: https://github.com/docling-project/docling/

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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