CVE-2022-2166

CRITICAL 9.8CVE-2022-2166 · Published 16/11/2022 · updated 17/06/2026

In short

CVE-2022-2166 is a CRITICAL (CVSS 9.8) vulnerability affecting mastodon (joinmastodon).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 66.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mastodon joinmastodon	`= 4.0.0≤ 3.5.5`	No fix yet

Improper Restriction of Excessive Authentication Attempts in GitHub repository mastodon/mastodon prior to 4.0.0.

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Package

Affected versions

Patched versions

= 4.0.0≤ 3.5.5

No fix yet

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