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vuln-cve/data/2026/45xxx/CVE-2026-45139.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45139",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-08T20:44:38.963Z",
"datePublished": "2026-07-20T13:58:39.800Z",
"dateUpdated": "2026-07-20T16:40:55.398Z"
},
"containers": {
"cna": {
"title": "CI4MS Fileeditor allows deletion and rename of critical application files due to missing extension allowlist on destructive operations",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-73",
"lang": "en",
"description": "CWE-73: External Control of File Name or Path",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-245j-xjvr-xvm5",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-245j-xjvr-xvm5"
},
{
"name": "https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.9.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.9.0"
}
],
"affected": [
{
"vendor": "ci4-cms-erp",
"product": "ci4ms",
"versions": [
{
"version": "< 0.31.9.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-20T13:58:39.800Z"
},
"descriptions": [
{
"lang": "en",
"value": "CI4MS is a CodeIgniter 4-based content management system skeleton. Prior to version 0.31.9.0, the Fileeditor module enforces an extension allowlist (`['css','js','html','txt','json','sql','md']`) on content-write operations (`saveFile`, `createFile`), but two destructive endpoints — `deleteFileOrFolder` and `renameFile` — never validate the extension of the *source* path. A backend user with file-editor permissions can therefore unlink or rename any file inside the project root that is not explicitly listed in the small `$hiddenItems` blocklist. Critical framework files such as `app/Config/Routes.php`, `app/Config/App.php`, `app/Config/Database.php`, `app/Config/Filters.php`, `public/index.php`, and `public/.htaccess` all live outside that blocklist and can be destroyed, producing a persistent denial of service that requires filesystem-level redeployment to recover. Version 0.31.9.0 patches the issue."
}
],
"source": {
"advisory": "GHSA-245j-xjvr-xvm5",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-245j-xjvr-xvm5",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-20T16:40:29.784246Z",
"id": "CVE-2026-45139",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-20T16:40:55.398Z"
}
}
]
}
}