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vuln-cve/data/2026/49xxx/CVE-2026-49401.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-49401",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-29T19:08:01.256Z",
"datePublished": "2026-06-23T17:22:32.266Z",
"dateUpdated": "2026-07-31T13:15:42.807Z"
},
"containers": {
"cna": {
"title": "Deno Permission Bypass via Unicode Normalization Mismatch on macOS (APFS)",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-41",
"lang": "en",
"description": "CWE-41: Improper Resolution of Path Equivalence",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-176",
"lang": "en",
"description": "CWE-176: Improper Handling of Unicode Encoding",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/denoland/deno/security/advisories/GHSA-8xpq-cjcf-3wh9",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/denoland/deno/security/advisories/GHSA-8xpq-cjcf-3wh9"
}
],
"affected": [
{
"vendor": "denoland",
"product": "deno",
"versions": [
{
"version": "< 2.7.14",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-31T13:15:42.807Z"
},
"descriptions": [
{
"lang": "en",
"value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.7.14, Deno's permission system enforces filesystem and execution restrictions by comparing the requested path against the path supplied to --deny-read, --deny-write, --deny-run, or --deny-ffi. On macOS, that comparison was done at the raw-byte level while the APFS filesystem treats different Unicode spellings of the same name as the same file. That means a program could reach a denied path by spelling it differently than the deny rule. This vulnerability is fixed in 2.7.14."
}
],
"source": {
"advisory": "GHSA-8xpq-cjcf-3wh9",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-23T17:35:46.438186Z",
"id": "CVE-2026-49401",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-23T17:35:51.803Z"
}
}
]
}
}