CVE-2026-25808

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is...

PT-2026-7177

Name of the Vulnerable Software and Affected Versions Hollo versions prior to 0.6.20 Hollo versions prior to 0.7.2 Description Hollo is a federated single-user microblogging software that utilizes ActivityPub for federation. A security issue exists where direct messages DMs and posts restricted t...