Detections
Analytics
CVE-2026-25808
high
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.
References
https://github.com/fedify-dev/hollo/security/advisories/GHSA-6r2w-3pcj-v4v5
https://github.com/fedify-dev/hollo/releases/tag/0.7.2
https://github.com/fedify-dev/hollo/releases/tag/0.6.20
https://github.com/fedify-dev/hollo/commit/329969c502ef092d5c3f9c2c20421c34f4ff0f0e