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CVE-2026-25642

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published2/6/2026

Last Modified2/25/2026

Sourcenvd

Honeypot Sightings0

Affected Products

hedgedoc:hedgedoc

Weaknesses (CWE)

CWE-79

References

https://github.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401c(security-advisories@github.com)

https://github.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137(security-advisories@github.com)

https://github.com/hedgedoc/hedgedoc/releases/tag/1.10.6(security-advisories@github.com)

https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534w(security-advisories@github.com)

IOC Correlations

No correlations recorded

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