{"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 \u2014 `deleteFileOrFolder` and `renameFile` \u2014 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"}}]}}

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