What is CVE-2019-15736?

CVE-2019-15736 is a high-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-09-16.

How severe is CVE-2019-15736?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2019-15736 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in GitLab

CVE-2019-15736

An issue was discovered in GitLab Community and Enterprise Edition through 12.2.1. Under certain circumstances, CI pipelines could potentially be used in a denial of service attack.

Published 2019-09-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.4th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

GitLab

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

gitlab.com/gitlab-org/gitlab-ce/issues/51401 (Broken Link)
about.gitlab.com/2019/08/29/security-release-gitlab-12-dot-2-dot-3-released/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-15736?: CVE-2019-15736 is a high-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-09-16.
How severe is CVE-2019-15736?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-15736 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.