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vuln-cve/data/2026/62xxx/CVE-2026-62843.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-62843",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-07-14T21:10:50.031Z",
"datePublished": "2026-07-15T15:42:19.122Z",
"dateUpdated": "2026-07-15T16:32:21.438Z"
},
"containers": {
"cna": {
"title": "File Browser: Archive builder turns backslash filenames into path traversal (zip-slip)",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"lang": "en",
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-23",
"lang": "en",
"description": "CWE-23: Relative Path Traversal",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww"
},
{
"name": "https://github.com/filebrowser/filebrowser/commit/8503ba61ff51d48a7313896483d130eb6a5abfe0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/commit/8503ba61ff51d48a7313896483d130eb6a5abfe0"
},
{
"name": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17"
}
],
"affected": [
{
"vendor": "filebrowser",
"product": "filebrowser",
"versions": [
{
"version": ">= 2.63.6, < 2.63.17",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-15T15:42:19.122Z"
},
"descriptions": [
{
"lang": "en",
"value": "File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAll(nameInArchive, \"\\\", \"/\"), which turns a POSIX filename such as ..\\..\\evil.sh into the archive entry ../../evil.sh, allowing a user with upload permission to plant a backslash-named file that escapes the extraction directory when another user downloads and extracts the generated zip or tar archive. This issue is fixed in version 2.63.17."
}
],
"source": {
"advisory": "GHSA-83xp-526h-j3ww",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-15T16:25:16.686275Z",
"id": "CVE-2026-62843",
"options": [
{
"Exploitation": "poc"
},
{
"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": "2026-07-15T16:32:21.438Z"
}
}
]
}
}