Patch Forecast
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CVE-2026-1403

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.7 before 18.8.9, 18.9…

Risk score
44/100
CVSS
6.5 v3.1
Exploit chance (30 days)
0.3%
Published
7 Oct 2026

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What to know

What it is
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.
Affected
See advisory
Fix
Upgrade the product to 18.8.9, 18.9, 18.9.5, 18.10 or 18.10.3 (whichever matches your release line), or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 6.5 medium

References

Original 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.

Last activity 7 Oct 2026. Patch Forecast updates every hour.