Medium severity4.3NVD Advisory· Published Feb 6, 2026· Updated Jun 17, 2026
CVE-2026-25642
CVE-2026-25642
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.
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Affected products
3Patches
Vulnerability mechanics
References
4- github.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401cnvdPatch
- github.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137nvdPatch
- github.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534wnvdPatchVendor Advisory
- github.com/hedgedoc/hedgedoc/releases/tag/1.10.6nvdProductRelease Notes
News mentions
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