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CVE-2026-25647

4.6 · MEDIUM

Lute is a structured Markdown engine supporting Go and JavaScript.

Published Feb 6, 2026CWE-79EPSS 0.29%

Overview

CVE-2026-25647 is a medium-severity vulnerability. It was published on February 6, 2026 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier (as used in SiYuan before) has a Stored Cross-Site Scripting (XSS) vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks the rendered content, the script executes in the context of their session.

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/88250/lute/commit/0118e218916cf0cc7df639b50ce74e0c6c3d1868GitHubgithub.com/siyuan-note/siyuan/security/advisories/GHSA-rw25-98wq-76qv

How CyberStrike helps

Frequently asked questions

What is CVE-2026-25647?

CVE-2026-25647 is a medium-severity vulnerability. It was published on February 6, 2026 and has a CVSS 3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2026-25647?

This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-25647?

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-2026-25647?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-25647 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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