Resource exhaustion in GitLab
CVE-2023-6386
A denial of service vulnerability was identified in GitLab CE/EE, affecting all versions from 15.11 prior to 16.6.7, 16.7 prior to 16.7.5 and 16.8 prior to 16.8.2 which allows an attacker to spike the GitLab instance resource usage resulting in service degradation.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- GitLab — versions 15.11, 16.7, 16.8
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/433147 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/2261581 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2023-6386?
- CVE-2023-6386 is a medium-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2025-02-05.
- How severe is CVE-2023-6386?
- Medium severity. CVSS v3 base score is 6.5 out of 10.