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CVE-2026-105743 Details

Description

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.91.0 until 2.132.0, validate_url_safety in docling/backend/utils/image_resource_loader.py validates a hostname with a single IPv4 lookup and then allows the HTTP client to resolve and parse the original URL again, permitting DNS rebinding, mixed public and internal address records, and backslash authority parser disagreement to reach internal services. HTMLBackendOptions(render_page=True) also allows HTTP and HTTPS browser requests without validating their resolved destination. Exploitation requires remote fetching to be enabled, and response content is exposed only when it is decoded as an image or passively rendered in a page screenshot. This issue is fixed in 2.132.0.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/docling-project/docling/commit/5e469137f275ffc443306a30d12a3a45bceb80fb	[email protected]
https://github.com/docling-project/docling/pull/4420	[email protected]
https://github.com/docling-project/docling/releases/tag/v2.132.0	[email protected]
https://github.com/docling-project/docling/security/advisories/GHSA-pc36-qwjq-x68c	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-367	Time-of-check Time-of-use (TOCTOU) Race Condition	[email protected]
CWE-918	Server-Side Request Forgery (SSRF)	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes