CVE-2026-1387 Allocation of Resources Without Limits or Throttling in GitLab
An authenticated user can cause a Denial of Service in GitLab by uploading a malicious file and repeatedly querying it via GraphQL.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1387?
CVE-2026-1387 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 11 Feb 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 EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file and repeatedly querying it through GraphQl.
Weakness: CWE-770
Which versions are affected by CVE-2026-1387?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2026-1387?
No fix has been published for CVE-2026-1387 yet. Limit exposure of the affected software until one is available.
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-2026-1387 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1387 exists.
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 GHSA-7x5p-82gv-c93r, UBUNTU-CVE-2026-1387.