Joinmastodon Mastodon
1 CVEs affecting Joinmastodon Mastodon. Latest disclosed: 2026-04-23. Critical: 0, High: 1.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-41259 | High | 7.5 | 2026-04-23 | Mastodon is a free, open-source social network server based on ActivityPub. Prior to v4.5.9, v4.4.16, and v4.3.22, Mastodon allows restricting new user sign-up… |