CVE-2026-47389 | Mastodon up to 4.5.9 TCP Connection incomplete blacklist (GHSA-xx55-4rrg-8xg6)
A vulnerability labeled as critical has been found in Mastodon up to 4.5.9. The affected element is an unknown function of the component TCP Connection Handler. Such manipulation leads to incomplete blacklist.
This vulnerability is traded as CVE-2026-47389. The attack may be launched remotely. There is no exploit available.
The affected component should be upgraded.