CVE-2026-25808 – Hollo DMs get leaked and can be seen on Webfinger Browser

CVE ID : CVE-2026-25808

Published : Feb. 9, 2026, 9:50 p.m. | 31 minutes ago

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.

Severity: 0.0 | NA

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