PT-2026-99306 · Siyuan · Siyuan
CVSS v4.0
8.2
High
| Vector | AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
SiYuan versions prior to 3.8.4
Description
An authentication bypass exists in the publish service where session cookies are issued without Secure or SameSite attributes over plaintext HTTP connections. An on-path attacker can observe a valid
publish-visitor-session-id cookie during a Basic Auth exchange and replay it to access authenticated publish endpoints without the account password.Recommendations
Update to version 3.8.4 or later.
Exploit
Fix
Cleartext Transmission of Sensitive Information
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Weakness Enumeration
Related Identifiers
Affected Products
Siyuan