CVE-2026-2845 Allocation of Resources Without Limits or Throttling in GitLab

Medium 6.5 Published Updated

An authenticated user can cause denial of service in GitLab by exploiting the Bitbucket Server import endpoint with large responses.

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-2026-2845?

CVE-2026-2845 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 25 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue has been discovered in GitLab CE/EE affecting all versions from 11.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an authenticated user to cause denial of service by exploiting a Bitbucket Server import endpoint via repeatedly sending large responses.

Weakness: CWE-770

Which versions are affected by CVE-2026-2845?

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

PackageAffectedFixed in
gitlab BitnamiFrom 11.2.018.7.5, 18.8.5, 18.9.1

Products include Gitlab Gitlab.

How do I fix CVE-2026-2845?

Upgrade gitlab to a fixed version for your release line: 18.7.5, 18.8.5 or 18.9.1.

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-2026-2845 being exploited?

There is no known exploitation of CVE-2026-2845 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2026-2845, GHSA-j9jv-5q76-4q2h, UBUNTU-CVE-2026-2845.

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