GitLabCVE-2026-7427

GitLab: denial of service

Medium5.3CVE-2026-7427 · Published Aug 12, 2026 · updated Aug 19, 2026

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an unauthenticated user to cause a denial of service due to improper input validation.

GitLab advisory

Affected versions

Package	Affected	Fixed in
GitLab Product	>= 18.5, < 19.0.6	19.0.6
	>= 19.1, < 19.1.4	19.1.4
	>= 19.2, < 19.2.2	19.2.2

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Severity from: the vendor (its own CVE record or advisory)
Weakness: CWE-770

More GitLab advisories

All GitLab

Date	Advisory	Severity	Fixed in
Aug 12	GitLab: missing authorization Medium4.3Aug 12 CVE-2026-682119.0.6+2 more	Medium4.3	19.0.6+2 more
Aug 12	GitLab: missing authorization Medium4.3Aug 12 CVE-2026-487919.0.6+2 more	Medium4.3	19.0.6+2 more
Aug 12	GitLab: improper authorization High8.5Aug 12 CVE-2026-1922819.1.4+1 more	High8.5	19.1.4+1 more
Aug 12	GitLab: improper authorization Medium4.3Aug 12 CVE-2026-1843319.1.4+1 more	Medium4.3	19.1.4+1 more
Aug 12	GitLab: missing authorization High7.1Aug 12 CVE-2026-1649419.1.4+1 more	High7.1	19.1.4+1 more
Aug 12	GitLab: cross-site scripting High8.7Aug 12 CVE-2026-1521619.0.6+2 more	High8.7	19.0.6+2 more

Affected versions

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