CVE-2026-77801: Allocation of Resources Without Limits or Throttling in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, could have allowed an authenticated user to cause a denial of service affecting background job processing, due to missing object count limits.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 19.1.7 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 19.2.5 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 19.3.1
Event History
Frequently Asked Questions
Which GitLab versions need remediation?
GitLab CE/EE is affected from version 12.8 up to, but excluding, 19.1.7; 19.2.5; and 19.3.1. Upgrade to the applicable fixed release or a later release.
What level of access does an attacker need?
An attacker must be authenticated to GitLab and requires low privileges. No user interaction is required.
What service is disrupted if exploited?
The issue can cause denial of service affecting GitLab background job processing. The provided information does not indicate impact to confidentiality or integrity.