Incorrect Authorization in GitLab_CVE-2026-6269

5.4 / 10

MEDIUM

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

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

Basic Information

ID CVE-2026-6269

Source GitLab

Published Jun 11, 2026 at 10:20

Modified Jun 11, 2026 at 12:30

Affected Product

Vendor GitLab

Product GitLab

Version 15.10

Affected Versions GitLab GitLab 15.10
GitLab GitLab 18.11
GitLab GitLab 19.0

CWE Classification

CWE-863

References

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    "published": "2026-06-11T10:20:41.430Z",
    "modified": "2026-06-11T12:30:06.368Z",
    "type": "cve",
    "title": "Incorrect Authorization in GitLab",
    "source": "GitLab",
    "references": "https://gitlab.com/gitlab-org/gitlab/-/work_items/596625\nhttps://hackerone.com/reports/3661880\nhttps://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/",
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    "sourceData": "GitLab GitLab 15.10\nGitLab GitLab 18.11\nGitLab GitLab 19.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.4,
        "severity": "MEDIUM",
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        "version": "3.1"
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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