Denial of Service Vulnerability in GitLab CE/EE
CVE-2026-77801

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
26 August 2026

What is CVE-2026-77801?

A vulnerability in GitLab CE/EE could permit an authenticated user to compromise the stability of background job processing. This issue arises from the lack of limits on object counts, potentially leading to service interruptions. It affects a range of versions, necessitating immediate attention from users to maintain system integrity.

Affected Version(s)

GitLab 12.8 < 19.1.7

GitLab 19.2 < 19.2.5

GitLab 19.3 < 19.3.1

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/597273
https://docs.gitlab.com/releases/patches/patch-release-gi...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks Tran Ba Quang for reporting this vulnerability
.