What’s Vulnerable › Vulnerabilities

CVE-2022-31263

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-24 · updated 2026-06-17

Description

app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.

Affected products

• mastodon: before 3.5.0 — fixed in 3.5.0

How to fix

Upgrade to a fixed version: mastodon 3.5.0. Check the vendor advisory for mitigations.

References

• https://github.com/mastodon/mastodon/pull/17909
• https://github.com/mastodon/mastodon/releases/tag/v3.5.0
• https://github.com/mastodon/mastodon/pull/17909
• https://github.com/mastodon/mastodon/releases/tag/v3.5.0

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