{"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"}}]}}