CVE-2026-1101 — Improper Validation of Specified Quantity in Input in Gitlab

CWE-1284 — Improper Validation of Specified Quantity in Input6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.0%
top 94.10%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GitlabDebian GitlabGitlab EE
Timeline
PublishedApr 8
Latest updateApr 9

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

▶CVEListV5gitlab/gitlab18.2 — 18.8.9+2
▶debiandebian/gitlab
▶gitlabgitlab/gitlab

🔴Vulnerability Details

1
GHSA
GHSA-ffch-rw3v-4mvx: GitLab has remediated an issue in GitLab EE affecting all versions from 18↗2026-04-09
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📋Vendor Advisories

3
GitLab
CVE-2026-1101: GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could ha↗2026-04-08
▶
Debian
CVE-2026-1101: gitlab - GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 bef...↗2026
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Citrix
Citrix Security Bulletin CTX128167↗
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🕵️Threat Intelligence

1
Wiz
CVE-2026-1101 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-1101 — Gitlab vulnerability | cvebase