CVE-2021-39905 Information disclosure in GitLab
Attackers can view basic information about private groups shared with public projects via the GitLab API.
- 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-2021-39905?
CVE-2021-39905 is a medium-severity vulnerability in Gitlab Gitlab, published on 4 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An information disclosure vulnerability in the GitLab CE/EE API since version 8.9.6 allows a user to see basic information on private groups that a public project has been shared with
Which versions are affected by CVE-2021-39905?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 8.9.6 | 14.2.6 |
Products include Gitlab Gitlab.
How do I fix CVE-2021-39905?
Upgrade gitlab to 14.2.6 or later.
Is CVE-2021-39905 being exploited?
There is no known exploitation of CVE-2021-39905 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-2021-39905, GHSA-9v59-ffhf-ccr8, UBUNTU-CVE-2021-39905.