Security Advisory

CVE-2026-25808

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-09 21:50:10

Last updated 2026-02-10 21:23:34

Assigner GitHub_M

State PUBLISHED

Description

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 fixed in 0.6.20 and 0.7.2.

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