CVE-2026-25642

Name: CVE-2026-25642
Creator: NVD / NIST
Published: 2026-02-06T20:16:11.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2026-25642 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.19%

9.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Hedgedoc	Hedgedoc	< 1.10.6

References

https://github.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401cPatch
https://github.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137Patch
https://github.com/hedgedoc/hedgedoc/releases/tag/1.10.6Product, Release Notes
https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534wPatch, Vendor Advisory

Timeline

Published: Feb 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-25642?

How severe is CVE-2026-25642?

CVE-2026-25642 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-25642?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-25642?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST