Cloudreve: Privilege Scope Bypass: State-Mutating Admin Operations Accessible via Read-Only OAuth Scope

Summary There is a privilege scope bypass in Cloudreve's admin API where two endpoints that mutate server state are missing the write-scope enforcement that their neighboring endpoints correctly apply. Specifically, the WOPI configuration fetch endpoint and the SMTP test/mail endpoint can both be...

CVE-2026-77637

Cloudreve , a self-hosted file management and sharing system, is affected by a privilege scope bypass prior to version 4.18.0 . The routes tool.GET("wopi") and tool.POST("mail") in routers/router.go inherit the ScopeAdminRead scope but omit the RequiredScopes(types.ScopeAdminWrite) middleware app...