{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-5356",
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "state": "PUBLISHED",
        "assignerShortName": "GitLab",
        "dateReserved": "2023-10-03T12:30:32.774Z",
        "datePublished": "2024-01-12T13:56:51.714Z",
        "dateUpdated": "2026-04-28T04:05:15.311Z"
    },
    "containers": {
        "cna": {
            "title": "Incorrect Authorization in GitLab",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user."
                }
            ],
            "affected": [
                {
                    "vendor": "GitLab",
                    "product": "GitLab",
                    "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
                    "cpes": [
                        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
                    ],
                    "versions": [
                        {
                            "version": "8.13",
                            "status": "affected",
                            "lessThan": "16.5.6",
                            "versionType": "semver"
                        },
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                            "version": "16.6",
                            "status": "affected",
                            "lessThan": "16.6.4",
                            "versionType": "semver"
                        },
                        {
                            "version": "16.7",
                            "status": "affected",
                            "lessThan": "16.7.2",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-863: Incorrect Authorization",
                            "cweId": "CWE-863",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427154",
                    "name": "GitLab Issue #427154",
                    "tags": [
                        "issue-tracking",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://hackerone.com/reports/2188868",
                    "name": "HackerOne Bug Bounty Report #2188868",
                    "tags": [
                        "technical-description",
                        "exploit",
                        "permissions-required"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
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                            "lang": "en",
                            "value": "GENERAL"
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                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "REQUIRED",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "baseScore": 7.3,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to versions 16.7.2, 16.6.4, 16.5.6 or above."
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program",
                    "type": "finder"
                }
            ],
            "providerMetadata": {
                "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
                "shortName": "GitLab",
                "dateUpdated": "2026-04-28T04:05:15.311Z"
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                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T07:59:43.251Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427154",
                        "name": "GitLab Issue #427154",
                        "tags": [
                            "issue-tracking",
                            "x_transferred"
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                    },
                    {
                        "url": "https://hackerone.com/reports/2188868",
                        "name": "HackerOne Bug Bounty Report #2188868",
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                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-01-23T21:57:40.489112Z",
                                "id": "CVE-2023-5356",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-17T15:44:55.465Z"
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}