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CVE-2026-1092

Improper Validation of Specified Quantity in Input in GitLab

CVSS 7.5 HIGHEPSS 0.6%CWE-1284
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
GitLab · GitLab
public PoCs found — 1
cve_referencehackerone.com/reports/3487030unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/586479https://hackerone.com/reports/3487030