EUVD-2026-91456

YesWiki before 4.6.7 contains an authentication bypass vulnerability in the ActivityPub inbox that fails to bind the verified HTTP signature signer to the activity actor. Unauthenticated attackers with any ActivityPub keypair can send signed Delete or Update activities referencing a mirrored...

CVE-2026-104445

Versions of YesWiki prior to 4.6.7 are susceptible to an authentication bypass vulnerability within the ActivityPub inbox . The root cause is a failure to bind the verified HTTP signature signer to the activity actor. This allows unauthenticated attackers possessing any ActivityPub keypair to sen...