CVE-2026-73054

Katalog CVE

CVSS 7.5 · High EPSS 0,54%

Kerentanan Improper Authentication. Skor CVSS 3.1 7.5 (High) menurut vulncheck.com.

Deskripsi (NVD)

SiYuan versions before v3.7.4 contain an authentication bypass vulnerability in the WebSocket endpoint caused by differential parsing of query parameters between authentication exemption and session quarantine checks. Unauthenticated attackers can craft a malicious WebSocket URI with duplicated query parameters to bypass access auth code validation and receive the live kernel event stream including document identifiers, titles, and operation logs.

Rincian

Terbit di NVD

15 Agustus 2026

Terakhir diubah

26 Agustus 2026

Status NVD

Deferred

CVSS 3.1

7.5 (High), sumber vulncheck.com
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-287: Improper Authentication

EPSS (30 hari)

0,54% peluang dieksploitasi; lebih tinggi dari 43,8% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-c8w8-3pqp-wr83
• https://www.vulncheck.com/advisories/siyuan-before-authentication-bypass-via-websocket