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vuln-cve/data/2026/47xxx/CVE-2026-47273.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-47273",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-18T23:03:37.230Z",
"datePublished": "2026-05-27T20:03:39.297Z",
"dateUpdated": "2026-05-28T13:26:13.079Z"
},
"containers": {
"cna": {
"title": "pam_usb: XPath injection via PAM-supplied identifiers in pam_usb configuration queries",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-91",
"lang": "en",
"description": "CWE-91: XML Injection (aka Blind XPath Injection)",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-vfj3-5h5v-6g93",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-vfj3-5h5v-6g93"
},
{
"name": "https://github.com/mcdope/pam_usb/pull/311",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/mcdope/pam_usb/pull/311"
},
{
"name": "https://github.com/mcdope/pam_usb/commit/721fed08a3596cb5b4671ad702f8fdc12dcc7420",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/mcdope/pam_usb/commit/721fed08a3596cb5b4671ad702f8fdc12dcc7420"
}
],
"affected": [
{
"vendor": "mcdope",
"product": "pam_usb",
"versions": [
{
"version": "< 0.9.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-05-27T20:03:39.297Z"
},
"descriptions": [
{
"lang": "en",
"value": "pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.0, pam_usb builds XPath expressions from user-supplied identifiers (PAM username, service name) and device-supplied identifiers (USB device serial, model, vendor) to query /etc/pamusb.conf. These identifiers were not validated for XPath metacharacters, allowing injection of arbitrary XPath predicates. This vulnerability is fixed in 0.9.0."
}
],
"source": {
"advisory": "GHSA-vfj3-5h5v-6g93",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-28T13:26:03.390650Z",
"id": "CVE-2026-47273",
"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": "2026-05-28T13:26:13.079Z"
}
}
]
}
}