CVE-2020-26406 Information disclosure in GitLab EE
Unauthorized users can view sensitive SAST CI configuration data via GraphQL in GitLab EE, exposing internal project details.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-26406?
CVE-2020-26406 is a medium-severity vulnerability in Gitlab Gitlab, published on 17 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Certain SAST CiConfiguration information could be viewed by unauthorized users in GitLab EE starting with 13.3. This information was exposed through GraphQL to non-members of public projects with repository visibility restricted as well as guest members on private projects. Affected versions are: >=13.3, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.
Which versions are affected by CVE-2020-26406?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.3.0 | 13.3.9, 13.4.5, 13.5.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-26406?
Upgrade gitlab to a fixed version for your release line: 13.3.9, 13.4.5 or 13.5.2.
Is CVE-2020-26406 being exploited?
There is no known exploitation of CVE-2020-26406 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-2020-26406, GHSA-wx3j-3x93-528x.