Incorrect Authorization in GitLab_CVE-2026-3553

3.1 / 10

LOW

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

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 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 to access confidential issue details due to incorrect authorization checks.

Basic Information

ID CVE-2026-3553

Source GitLab

Published Jun 11, 2026 at 10:21

Modified Jun 11, 2026 at 12:28

Affected Product

Vendor GitLab

Product GitLab

Version 12.0

Affected Versions GitLab GitLab 12.0
GitLab GitLab 18.11
GitLab GitLab 19.0

CWE Classification

CWE-863

References

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    "lastseen": "",
    "description": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 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 to access confidential issue details due to incorrect authorization checks.",
    "published": "2026-06-11T10:21:26.429Z",
    "modified": "2026-06-11T12:28:57.450Z",
    "type": "cve",
    "title": "Incorrect Authorization in GitLab",
    "source": "GitLab",
    "references": "https://hackerone.com/reports/3578216\nhttps://gitlab.com/gitlab-org/gitlab/-/work_items/592295\nhttps://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/",
    "id": "CVE-2026-3553",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "GitLab GitLab 12.0\nGitLab GitLab 18.11\nGitLab GitLab 19.0",
    "sourceHref": "",
    "cvss": {
        "score": 3.1,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
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            "baseScore": 0,
            "baseSeverity": "",
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "GitLab",
    "version": "12.0",
    "vendor": "GitLab",
    "ai_description": "",
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    "ai_score": 0
}