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.

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Advisories

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Fixes

Solution

Upgrade to versions 18.8.7, 18.9.3, 18.10.1 or above.


Workaround

No workaround given by the vendor.

History

Wed, 25 Mar 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 25 Mar 2026 16:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Inefficient Algorithmic Complexity in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-407
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-03-25T17:21:53.191Z

Reserved: 2026-03-11T15:37:07.048Z

Link: CVE-2026-3988

cve-icon Vulnrichment

Updated: 2026-03-25T17:21:50.667Z

cve-icon NVD

Status : Received

Published: 2026-03-25T17:17:09.553

Modified: 2026-03-25T17:17:09.553

Link: CVE-2026-3988

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses