CVE-2026-3988CWE-407

Inefficient Algorithmic Complexity in GitLab

High · published March 25, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
58.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00886 · 58.9th percentile
Weakness
CWE-407 · Inefficient Algorithmic Complexity
Published
2026-03-25T16:33Z
EPSS history
Timeline
  • 25 MAR 16:33Z
    Inefficient Algorithmic Complexity in GitLab
    cvelistv5