Security Advisory

CVE-2026-74867

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-17 11:04:37

Last updated 2026-08-18 14:34:36

Assigner VulnCheck

CVSS score not scored

State PUBLISHED

Description

SiYuan versions before 3.7.4 contain a cross-site request forgery vulnerability in the session-cookie authentication branch of CheckAuth() that lacks Origin/Referer validation and sets no explicit SameSite attribute on session cookies. Attackers can craft malicious web pages that perform unauthorized actions on behalf of authenticated users by submitting requests with valid session cookies, relying on browser default SameSite policies rather than server-enforced protections.

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