CVE-2023-5106 Incorrect Authorization in GitLab
Attackers can impersonate users in CI pipelines via group imports, potentially leading to privilege escalation and code execution.
- 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-2023-5106?
CVE-2023-5106 is a high-severity missing authorization vulnerability in Gitlab Gitlab, published on 2 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue has been discovered in Ultimate-licensed GitLab EE affecting all versions starting 13.12 prior to 16.2.8, 16.3.0 prior to 16.3.5, and 16.4.0 prior to 16.4.1 that could allow an attacker to impersonate users in CI pipelines through direct transfer group imports.
Weakness: CWE-863
Which versions are affected by CVE-2023-5106?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.12.0 | 16.2.8, 16.3.5, 16.4.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-5106?
Upgrade gitlab to a fixed version for your release line: 16.2.8, 16.3.5 or 16.4.1.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-5106 being exploited?
There is no known exploitation of CVE-2023-5106 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-2023-5106, GHSA-chxc-x49q-7m83, UBUNTU-CVE-2023-5106.