CVE-2026-3988 — Inefficient Algorithmic Complexity in Gitlab

CWE-407 — Inefficient Algorithmic Complexity79 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.1%
top 82.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GitlabDebian GitlabGitlab CE
Timeline
PublishedMar 25

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶CVEListV5gitlab/gitlab18.5 — 18.8.7+2
▶NVDgitlab/gitlab18.5.0 — 18.8.7+2
▶debiandebian/gitlab
▶gitlabgitlab/gitlab

🔴Vulnerability Details

1
GHSA
GHSA-2jhc-hf67-8vgx: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18↗2026-03-25
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📋Vendor Advisories

2
GitLab
CVE-2026-3988: 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↗2026-03-25
▶
Debian
CVE-2026-3988: gitlab - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 ...↗2026
▶

🕵️Threat Intelligence

75
Wiz
CVE-2026-4363 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-3950 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-12555 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-14513 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2025-12029 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-3988 — Inefficient Algorithmic Complexity | cvebase