CVE-2026-100646

The SiYuan personal knowledge management system (versions up to and including 3.8.3 ) is vulnerable to an authentication bypass because the kernel's authentication guards—specifically CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go—fail open when the HTTP Ori...

CVE-2026-100646 SiYuan before v3.8.4 Authentication Bypass via Missing Origin Header

SiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8.3, the kernel's authentication guards CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go fail open when the HTTP Origin header is absent, on the incorrect assumptio...

PT-2026-99317

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.4 Description Authentication guards CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go fail open when the HTTP Origin header is absent. This occurs because the system incorrectly...

CVE-2026-44548

ChurchCRM is an open-source church management system. Prior to 7.3.2, top-level cross-site GET navigation from an attacker-controlled page to FundRaiserDelete.php, PropertyTypeDelete.php, or NoteDelete.php causes a logged-in ChurchCRM user with the relevant role to silently delete records,...