CVE-2026-3176

Missing Authorization in GitLab

CVSS 3.1 LOWEPSS 0.2%CWE-862

Vexday Risk Score

28Low

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 3.1EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

25 Jun 2026Published on NVD

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

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with limited permissions to access project information due to insufficient authorization checks.

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

Affected products

GitLab · GitLab

public PoCs found — 1

cve_referencehackerone.com/reports/3568164unverified

⚠ 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://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/591373 https://hackerone.com/reports/3568164