This advisory has been withdrawn because it is a duplicate of GHSA-34fj-mwm6-fjfg. This link is maintained to preserve external references.
siyuan versions before v3.7.4 expose the session cookie signing key through the /api/system/getConf endpoint to unauthenticated users in publish mode. Attackers can retrieve the CookieKey value and forge valid session cookies to impersonate users or gain administrative access.
{
"cwe_ids": [
"CWE-522"
],
"github_reviewed": true,
"github_reviewed_at": "2026-09-04T21:07:52Z",
"nvd_published_at": "2026-08-12T20:17:50Z",
"severity": "CRITICAL"
}