Kirby: `pages.access/list` and `files.access/list` permissions are not consistently checked in the REST API and changes dialog_CVE-2026-42137

{
    "lastseen": "",
    "description": "Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, `pages.access/list` and `files.access/list` permissions are not consistently checked in the Panel and REST API. This issue has been patched in versions 4.9.0 and 5.4.0.",
    "published": "2026-05-09T03:38:35.474Z",
    "modified": "2026-05-09T03:38:35.474Z",
    "type": "cve",
    "title": "Kirby: `pages.access/list` and `files.access/list` permissions are not consistently checked in the REST API and changes dialog",
    "source": "GitHub_M",
    "references": "https://github.com/getkirby/kirby/security/advisories/GHSA-85x2-r8xv-ww8c\nhttps://github.com/getkirby/kirby/releases/tag/4.9.0\nhttps://github.com/getkirby/kirby/releases/tag/5.4.0",
    "id": "CVE-2026-42137",
    "bulletinFamily": "",
    "cwe": [
        "CWE-862",
        "CWE-863"
    ],
    "cvelist": null,
    "sourceData": "getkirby kirby < 4.9.0\ngetkirby kirby >= 5.0.0, < 5.4.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.1,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
        "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": "kirby",
    "version": "< 4.9.0",
    "vendor": "getkirby",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}