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.

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.

EPSS: 0.005 (40.8th percentile) — read the EPSS interpretation.

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.

Affected products

Gitlab — versions 15.11, 16.7, 16.8

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@gitlab.com (issue-tracking, permissions-required, Broken Link)
cve@gitlab.com (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.