CVE-2026-1101
Improper Validation of Specified Quantity in Input in GitLab
6.5
MEDIUM
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2026-1101
To remediate CVE-2026-1101, upgrade the affected package to a fixed version below.
- —upgrade to 18.8.9 or later
Is CVE-2026-1101 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 18.2.0, < 18.8.9, >= 18.9.0, < 18.9.5, >= 18.10.0, < 18.10.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |