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CVE-2026-23850

SiYuan vulnerable to arbitrary file read

CVSS 7.8 HIGHEPSS 0.5%CWE-22
SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Produtos afetados
siyuan-note · siyuan

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Referências
https://github.com/siyuan-note/siyuan/blob/master/kernel/model/file.go#L1035https://github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.go#L799-L886https://github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27f1f6ddhttps://github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34b273adhttps://github.com/siyuan-note/siyuan/issues/16860https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcw