CVE-2026-10733 Improper Restriction of Rendered UI Layers or Frames in GitLab

What is CVE-2026-10733?

CVE-2026-10733 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 11 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that could have allowed an authenticated user to cause denial of service on the CI/CD Catalog page due to improper sanitization.

Weakness: CWE-1021

Which versions are affected by CVE-2026-10733?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Products include Gitlab Gitlab.

How do I fix CVE-2026-10733?

Upgrade gitlab to a fixed version for your release line: 18.10.8, 18.11.5 or 19.0.2.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-10733 being exploited?

There is no known exploitation of CVE-2026-10733 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 Exploited Critical 10.0
• CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal Exploited Critical 10.0
• CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control Exploited Critical 10.0
• CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution Exploited Critical 10.0
• CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Exploited Medium 6.8

All Gitlab Gitlab vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-gitlab-2026-10733, GHSA-8322-7g6r-mw9p.