CVE-2026-1403
Medium
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.7 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that when importing CSV files could have allowed an authenticated user to cause denial of service to Sidekiq workers due to improper validation of CSV file structure.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Gitlab
PublishedOct 7, 2026
First seenOct 7, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- gitlab gitlab18.8.9, 18.9.5, 18.10.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 11.7 ≤ v < 18.8.9, 18.9 ≤ v < 18.9.5, 18.10 ≤ v < 18.10.3 | 18.8.9, 18.9.5, 18.10.3 |
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