CVE-2026-1660

MEDIUM 6.5

Allocation of Resources Without Limits or Throttling in GitLab

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation.

CWE	CWE-770
Vendor	gitlab
Product	gitlab
Ecosystems	DevTools
Industries	Technology
Published	Apr 22, 2026
Last Updated	Apr 22, 2026

Stay Ahead of the Next One

Get instant alerts for gitlab gitlab

Be the first to know when new medium vulnerabilities affecting gitlab gitlab are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

GitLab / GitLab

12.3 < 18.9.6 18.10 < 18.10.4 18.11 < 18.11.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

hackerone.com: https://hackerone.com/reports/3518743 gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/588200 about.gitlab.com: https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/

Credits

Thanks [a92847865](https://hackerone.com/a92847865) for reporting this vulnerability through our HackerOne bug bounty program