CVE-2026-1092

Improper Validation of Specified Quantity in Input in GitLab

CVSS 7.5 HIGHEPSS 0.6%CWE-1284

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 7.5EPSS 0.6%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

08 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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/586479 https://hackerone.com/reports/3487030