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CVE-2026-59855

Published Jul 9, 2026 CWE-80 EPSS 0.53% (43th pctl)

Overview

CVE-2026-59855 is a known-severity vulnerability. It was published on July 9, 2026.

Technical Description

SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, Asset.render in app/src/asset/index.ts interpolates the unsanitized this.path value into HTML assigned to innerHTML, allowing a crafted asset link containing a double quote to break out of the src attribute, inject an event handler, and execute JavaScript that can run OS commands in the Electron renderer. This issue is fixed in versions 3.7.1-alpha.2 and 3.7.1.

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

GitHub github.com/siyuan-note/siyuan/commit/efbe3a557720034782643e55c9e0282530cb6bbb GitHub github.com/siyuan-note/siyuan/releases/tag/v3.7.1 GitHub github.com/siyuan-note/siyuan/security/advisories/GHSA-w3gq-5j72-36vc GitHub github.com/siyuan-note/siyuan/security/advisories/GHSA-w3gq-5j72-36vc

Frequently Asked Questions

What is CVE-2026-59855?

CVE-2026-59855 is a known-severity vulnerability. It was published on July 9, 2026.

How severe is CVE-2026-59855?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-59855?

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-2026-59855?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-59855 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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