GitLab CE/EE Auth Denial-of-Service via Missing Object Count Limits v12.8-19.3
CVE-2026-77801 Published on August 26, 2026
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.
Vulnerability Analysis
CVE-2026-77801 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2026-77801
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Affected Versions
GitLab:- Version 12.8 and below 19.1.7 is affected.
- Version 19.2 and below 19.2.5 is affected.
- Version 19.3 and below 19.3.1 is affected.