CVE-2026-2238

Missing Authorization in GitLab

State: Published
Severity: 5.3 Medium
Published: Jun 25, 2026
Updated: Jun 25, 2026
Reserved: Feb 9, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 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 unauthenticated user to view confidential issue references on public projects due to improper authorization checks.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	GitLab

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
GitLabGitLab	17.5 to before 18.11.6Affected 19.0 to before 19.0.3Affected 19.1 to before 19.1.1Affected

References

HackerOne Bug Bounty Report #3543011technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/589186
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/

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