CVE-2022-4255 Information disclosure in GitLab
GitLab EE exposes user email addresses in webhook payloads, allowing attackers to harvest sensitive user data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-4255?
CVE-2022-4255 is a medium-severity vulnerability in Gitlab Gitlab, published on 27 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An info leak issue was identified in all versions of GitLab EE from 13.7 prior to 15.4.6, 15.5 prior to 15.5.5, and 15.6 prior to 15.6.1 which exposes user email id through webhook payload.
Which versions are affected by CVE-2022-4255?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.7.0 | 15.4.6, 15.5.5, 15.6.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2022-4255?
Upgrade gitlab to a fixed version for your release line: 15.4.6, 15.5.5 or 15.6.1.
Is CVE-2022-4255 being exploited?
There is no known exploitation of CVE-2022-4255 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2022-4255, GHSA-87v5-hm46-mgp6.