CVE-2026-1403

Allocation of Resources Without Limits or Throttling in GitLab

State: Published
Severity: 6.5 Medium
Published: Oct 7, 2026
Updated: Oct 7, 2026
Reserved: Jan 23, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	GitLab

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
GitLabGitLab	11.7 to before 18.8.9Affected 18.9 to before 18.9.5Affected 18.10 to before 18.10.3Affected

References

HackerOne Bug Bounty Report #3328937technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/587573

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