Vulnerability · Published Apr 22, 2026 · Assigned by GitLab
CVE-2026-1660Allocation of Resources Without Limits or Throttling in GitLab
Medium 6.5
In plain English
A medium-severity resource allocation without limits in GitLab from GitLab. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 65.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- HackerOne Bug Bounty Report #3518743 technical-description, exploit, permissions-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/