Unrated severityNVD Advisory· Published Feb 9, 2026· Updated Feb 10, 2026
Hollo DMs get leaked and can be seen on Webfinger Browser
CVE-2026-25808
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.
Affected products
2- Range: < 0.6.20 || < 0.7.2
- fedify-dev/hollov5Range: < 0.6.20, 0.7.2
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/fedify-dev/hollo/commit/329969c502ef092d5c3f9c2c20421c34f4ff0f0emitrex_refsource_MISC
- github.com/fedify-dev/hollo/releases/tag/0.6.20mitrex_refsource_MISC
- github.com/fedify-dev/hollo/releases/tag/0.7.2mitrex_refsource_MISC
- github.com/fedify-dev/hollo/security/advisories/GHSA-6r2w-3pcj-v4v5mitrex_refsource_CONFIRM
News mentions
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