CVE-2026-2601

Missing Authorization in GitLab

CVSS 4.3 MEDIUMEPSS 0.2%CWE-862

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 4.3EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

27 May 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 11.5 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to access sensitive deployment data on projects due to improper authorization checks.

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

Affected products

GitLab · GitLab

public PoCs found — 1

cve_referencehackerone.com/reports/3556381unverified

⚠ 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/2026/05/27/patch-release-gitlab-19-0-1-released/https://gitlab.com/gitlab-org/gitlab/-/work_items/590389 https://hackerone.com/reports/3556381