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vuln-cve/data/2026/4xxx/CVE-2026-4809.json
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{
"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"
},
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"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."
}
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}
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"product": "laravel-mediable",
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"status": "affected",
"version": "<= 6.4.0"
}
],
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}
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{
"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.",
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{
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"base64": false,
"value": "<p>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.</p>"
}
]
}
],
"references": [
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"url": "https://github.com/plank/laravel-mediable",
"name": "Project repository",
"tags": [
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},
{
"url": "https://github.com/plank/laravel-mediable/releases/tag/6.4.0",
"name": "Release 6.4.0",
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"third-party-advisory"
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"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"
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"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
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"cvssV2_0": {
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"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": {
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"datePublic": "2026-03-26T11:03:27.086Z"
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"adp": [
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"metrics": [
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"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"
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}
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],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-03-26T13:41:27.981Z"
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]
}
}