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CVE-2026-25642

4.3 · MEDIUM

HedgeDoc is an open source, real-time, collaborative, markdown notes application.

Published Feb 6, 2026CWE-79EPSS 0.40%

Overview

CVE-2026-25642 is a medium-severity vulnerability. It was published on February 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/hedgedoc/hedgedoc/commit/74daa0e7a1cbfafd9aeb255eaf064dfe47cd401cGitHubgithub.com/hedgedoc/hedgedoc/commit/b930fe04cee92cd4723044030bb59c36781c7137GitHubgithub.com/hedgedoc/hedgedoc/releases/tag/1.10.6GitHubgithub.com/hedgedoc/hedgedoc/security/advisories/GHSA-x74j-jmf9-534w

How CyberStrike helps

Frequently asked questions

What is CVE-2026-25642?

CVE-2026-25642 is a medium-severity vulnerability. It was published on February 6, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-25642?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-25642?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-25642?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-25642 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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