CVE-2026-1092

Improper Validation of Specified Quantity in Input in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service due to improper input validation of JSON payloads.

Affected

GitLab

CVSS v3.1 GITLAB

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.55% chance of exploitation in the next 30 days, 45th percentile

Published

2026-04-08

Updated

2026-04-09

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3487030

Security advisories

• https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released

References

• CVE Record
• NVD entry