HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious interactive web content (such as fake login forms) using SVG files. This vulnerability is fixed in 1.10.6.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 06 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 06 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
Description HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious interactive web content (such as fake login forms) using SVG files. This vulnerability is fixed in 1.10.6.
Title HedgeDoc security headers for uploaded files were not working
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-06T20:20:58.376Z

Reserved: 2026-02-04T05:15:41.791Z

Link: CVE-2026-25642

cve-icon Vulnrichment

Updated: 2026-02-06T20:20:54.316Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-06T20:16:11.437

Modified: 2026-02-06T21:57:22.450

Link: CVE-2026-25642

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses