CVE-2026-1660

Allocation of Resources Without Limits or Throttling in GitLab

State: Published
Severity: 6.5 Medium
Published: Apr 22, 2026
Updated: Apr 22, 2026
Reserved: Jan 29, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	GitLab

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
GitLabGitLab	12.3 to before 18.9.6Affected 18.10 to before 18.10.4Affected 18.11 to before 18.11.1Affected

References

HackerOne Bug Bounty Report #3518743technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/588200
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/

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