CVE-2026-2601

Missing Authorization in GitLab

State: Published
Severity: 4.3 Medium
Published: May 27, 2026
Updated: May 27, 2026
Reserved: Feb 16, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	GitLab

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
GitLabGitLab	11.5 to before 18.10.7Affected 18.11 to before 18.11.4Affected 19.0 to before 19.0.1Affected

References

HackerOne Bug Bounty Report #3556381technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/590389
https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/

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