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CVE-2026-54759

SiYuan: Lute HTML sanitizer allows `<iframe>` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client PUBLISHED

Description (CNA)

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove <iframe> elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious <iframe> in a Bazaar package README that executes arbitrary commands on the victim's machine when the package details are viewed. No package installation is required. This vulnerability is fixed in 3.7.0.

Affected (CNA)

Vendor / productVersions
siyuan-note / siyuanaffected < 3.7.0

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.