CVE-2026-1403

Allocation of Resources Without Limits or Throttling in GitLab

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

GitLab

CVSS v3.1 GITLAB

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.33% chance of exploitation in the next 30 days, 24th percentile

Published

2026-10-07

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3328937

References

• CVE Record
• NVD entry