Gogs: Privilege Escalation via Collaboration Access Mode Validation_CVE-2026-52804

{
    "lastseen": "",
    "description": "Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3.",
    "published": "2026-06-24T20:20:26.848Z",
    "modified": "2026-06-24T20:20:26.848Z",
    "type": "cve",
    "title": "Gogs: Privilege Escalation via Collaboration Access Mode Validation",
    "source": "GitHub_M",
    "references": "https://github.com/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j\nhttps://github.com/gogs/gogs/pull/8227\nhttps://github.com/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b\nhttps://github.com/gogs/gogs/releases/tag/v0.14.3",
    "id": "CVE-2026-52804",
    "bulletinFamily": "",
    "cwe": [
        "CWE-193"
    ],
    "cvelist": null,
    "sourceData": "gogs gogs < 0.14.3",
    "sourceHref": "",
    "cvss": {
        "score": 5.5,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "gogs",
    "version": "< 0.14.3",
    "vendor": "gogs",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}