{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-4809", "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "state": "PUBLISHED", "assignerShortName": "TuranSec", "dateReserved": "2026-03-25T12:35:26.385Z", "datePublished": "2026-03-26T11:03:27.086Z", "dateUpdated": "2026-08-10T11:43:52.211Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "shortName": "TuranSec", "dateUpdated": "2026-08-10T11:43:52.211Z" }, "title": "Unsafe Client MIME Type Handling Can Enable Arbitrary File Upload in plank/laravel-mediable", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "type": "CWE" } ] } ], "impacts": [ { "descriptions": [ { "lang": "en", "value": "A remote attacker can upload a file containing executable PHP code while supplying a benign image MIME type. If the consuming application accepts the client-controlled MIME type and stores uploaded files in a web-accessible executable location, this can result in arbitrary file upload and remote code execution." } ] } ], "affected": [ { "vendor": "plank", "product": "laravel-mediable", "versions": [ { "status": "affected", "version": "<= 6.4.0" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "plank/laravel-mediable through version 6.4.0 can allow upload of a dangerous file type when an application using the package accepts or prefers a client-supplied MIME type during file upload handling. In that configuration, a remote attacker can submit a file containing executable PHP code while declaring a benign image MIME type, resulting in arbitrary file upload.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
plank/laravel-mediable through version 6.4.0 can allow upload of a dangerous file type when an application using the package accepts or prefers a client-supplied MIME type during file upload handling. In that configuration, a remote attacker can submit a file containing executable PHP code while declaring a benign image MIME type, resulting in arbitrary file upload.
" } ] } ], "references": [ { "url": "https://github.com/plank/laravel-mediable", "name": "Project repository", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/plank/laravel-mediable/releases/tag/6.4.0", "name": "Release 6.4.0", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/plank/laravel-mediable", "name": "Upstream project homepage", "tags": [ "third-party-advisory" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV2_0": { "version": "2.0", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 10, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C" } } ], "credits": [ { "lang": "en", "value": "Sobirjonov Xurshidbek", "type": "finder" } ], "source": { "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 1.0.1" }, "datePublic": "2026-03-26T11:03:27.086Z" }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-26T13:41:20.442496Z", "id": "CVE-2026-4809", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2026-03-26T13:41:27.981Z" } } ] } }