CVE-2022-31263
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
- Record
CVE-2022-31263- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
- Record
CVE-2022-31263- Updated
- 2026-11-02
EUVDEUVD-2022-52839 No score
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
- Record
EUVD-2022-52839- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-54h5-43hp-6q48
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
- Record
GHSA-54h5-43hp-6q48- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVBIT-mastodon-2022-31263 No score
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
- Record
BIT-mastodon-2022-31263- Updated
- 2026-11-02
OSV No score
app/models/user.rb in Mastodon before 3.5.0 allows a bypass of e-mail restrictions.
- Record
CVE-2022-31263- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mastodonBitnami |
before 3.5.0 | 3.5.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-31263 is a medium vulnerability (CVSS 5.3) in Joinmastodon Mastodon, published May 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. Fixed in mastodon 3.5.0.