hollo vulnerabilities

1 known vulnerability in hollo from Fedify-dev. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.5 High severity

  hollo: Missing Authorization

  CVE-2026-25808Feb 9, 2026Fedify-dev

  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 a