Fedify-dev Hollo vulnerabilities
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Published CVEs affecting Fedify-dev Hollo: 1 record(s), with affected versions and fixes.
CVE-2026-25808
High · 7.5
CWE-862 Feb 9, 2026
Hollo DMs get leaked and can be seen on Webfinger Browser
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.