Description
Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.95.0 until 2.132.0, the HTML image resource loader in docling/backend/utils/image_resource_loader.py forwards headers configured through the HTMLBackendOptions.headers setting to every remote image URL named by an untrusted document when enable_remote_fetch=True and fetch_images=True. The loader does not restrict those credentials to the source document's origin, allowing requests that carry custom headers such as API keys and cookies to follow cross-origin redirects and expose the caller's configured credentials to a document author. The default configuration is not affected because remote fetching and configured headers are required. This issue is fixed in 2.132.0.
Published: 2026-10-05
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Tue, 06 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 06 Oct 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Low


Mon, 05 Oct 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Docling-project
Docling-project docling
Vendors & Products Docling-project
Docling-project docling

Mon, 05 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.95.0 until 2.132.0, the HTML image resource loader in docling/backend/utils/image_resource_loader.py forwards headers configured through the HTMLBackendOptions.headers setting to every remote image URL named by an untrusted document when enable_remote_fetch=True and fetch_images=True. The loader does not restrict those credentials to the source document's origin, allowing requests that carry custom headers such as API keys and cookies to follow cross-origin redirects and expose the caller's configured credentials to a document author. The default configuration is not affected because remote fetching and configured headers are required. This issue is fixed in 2.132.0.
Title Docling: Configured HTTP headers sent to every remote image host named by a document
Weaknesses CWE-201
CWE-522
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}


Subscriptions

Docling-project Docling
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-06T13:55:17.719Z

Reserved: 2026-10-05T19:11:07.946Z

Link: CVE-2026-105742

cve-icon Vulnrichment

Updated: 2026-10-06T13:55:08.621Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-05T22:16:56.867

Modified: 2026-10-06T14:59:48.280

Link: CVE-2026-105742

cve-icon Redhat

Severity : Low

Publid Date: 2026-10-05T21:21:43Z

Links: CVE-2026-105742 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T22:45:18Z

Weaknesses
  • CWE-201

    Insertion of Sensitive Information Into Sent Data

  • CWE-522

    Insufficiently Protected Credentials