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.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-862",
"CWE-863"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42137.json"
}{
"source": [
"CPE_RANGE",
"REFERENCES"
],
"cpe": "cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "4.9.0"
},
{
"introduced": "5.0.0"
},
{
"fixed": "5.4.0"
}
]
}