medium4.3
CVE-2026-25642
HedgeDoc is an open source, real-time, collaborative, markdown notes application.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Hedgedoc | Hedgedoc | before 1.10.6 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401c
- https://github.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137
- https://github.com/hedgedoc/hedgedoc/releases/tag/1.10.6
- https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534w