CVE-2026-1660

Allocation of Resources Without Limits or Throttling in GitLab

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.

Affected

GitLab

CVSS v3.1 GITLAB

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

EPSS

0.40% chance of exploitation in the next 30 days, 33rd percentile

Published

2026-04-22

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3518743

Security advisories

• https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released

References

• CVE Record
• NVD entry