Denial of Service Vulnerability in GitLab Software by GitLab
CVE-2026-2845

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
25 February 2026

What is CVE-2026-2845?

A vulnerability has been identified in GitLab CE/EE that allows authenticated users to potentially disrupt system availability through the Bitbucket Server import feature. By repeatedly sending large response payloads, an attacker could exploit this functionality and lead to denial of service, affecting performance and access for legitimate users. This issue impacts various versions of GitLab, highlighting the importance of timely updates and security patches.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

GitLab 11.2 < 18.7.5

GitLab 18.8 < 18.8.5

GitLab 18.9 < 18.9.1

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/570554
https://about.gitlab.com/releases/2026/02/25/patch-releas...

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

This vulnerability has been discovered internally by GitLab team member [Sam Word](https://gitlab.com/SamWord)
JSON
.