EUVD-2026-109466

YesWiki from 4.6.2 before 4.7.0 contains a missing authorization vulnerability in ActivityPubService::syncActorPosts that lets malicious ActivityPub servers manipulate other actors' mirrored entries. Attackers can serve a poisoned outbox with cross-actor Delete, Update, or Create activities durin...

CVE-2026-116208

YesWiki versions 4.6.2 before 4.7.0 are vulnerable to a missing authorization flaw in the ActivityPubService::syncActorPosts component. This issue allows malicious ActivityPub servers to manipulate the mirrored entries of other actors. During an admin-initiated sync, an attacker can provide a poi...