BIT-gitlab-2026-3988

vendorUSosv

Inefficient Algorithmic Complexity in GitLab

view advisory published 2026-03-27Licence: per source

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to cause a denial of service by making the GitLab instance unresponsive due to improper input validation in GraphQL request processing.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-3988US	—	0.49% (42nd)	—	2026-03-25
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticat…

references

External citations — patches, advisories, analysis.

https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/ADVISORY
https://gitlab.com/gitlab-org/gitlab/-/work_items/593140WEB
https://hackerone.com/reports/3597342WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-3988WEB

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan