CVE-2026-1660

Allocation of Resources Without Limits or Throttling in GitLab

CVSS 6.5 MEDIUMEPSS 0.4%CWE-770

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 6.5EPSS 0.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

22 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

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

Affected products

GitLab · GitLab

public PoCs found — 1

cve_referencehackerone.com/reports/3518743unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

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