CVE-2026-59855

unknowncovered by 1 sourcefirst seen 2026-07-09

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.

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Exploitation outlook

Low exploitation risk0.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-59855: SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, Asset.render in…nvd · 2026-07-09

External references

NVD record for CVE-2026-59855

CVE.org record

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