CVE-2026-23850: b3log siyuan

csirt@kutim:~/threat-intel/cve/CVE-2026-23850

CVSS 7.5 · High EPSS 0,61%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada b3log siyuan. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 19 Januari 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS (30 hari): 0,61% peluang dieksploitasi; lebih tinggi dari 47,5% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
b3log	siyuan	Semua versi sebelum 3.5.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcw exploit · patch · advisory vendor
https://github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27f1f6dd patch
https://github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34b273ad patch
https://github.com/siyuan-note/siyuan/issues/16860 issue tracking · patch
https://github.com/siyuan-note/siyuan/blob/master/kernel/model/file.go#L1035 product
https://github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.go#L799-L886 product

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.