{"api_version":"1","generated_at":"2026-05-28T16:29:35+00:00","cve":"CVE-2026-44712","urls":{"html":"https://cve.report/CVE-2026-44712","api":"https://cve.report/api/cve/CVE-2026-44712.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-44712","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-44712"},"summary":{"title":"pam_usb: Shell injection via device UUID and username in pamusb-conf and pamusb-agent","description":"pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, a crafted UUID such as $(id>/tmp/rce) in the config causes root RCE when pamusb-conf --reset-pads is run. A USB device with a crafted filesystem UUID (some controllers allow this) can inject the payload at --add-device time. Also, userName from the XML config is passed to os.system() in pamusb-agent, which invokes a shell. This vulnerability is fixed in 0.8.7.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-05-27 21:16:18","updated_at":"2026-05-28 13:57:25"},"problem_types":["CWE-78","CWE-88","CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","CWE-88 CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"8.2","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.2","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/mcdope/pam_usb/security/advisories/GHSA-jgv5-w6rm-7wxg","name":"https://github.com/mcdope/pam_usb/security/advisories/GHSA-jgv5-w6rm-7wxg","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-44712","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44712","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"mcdope","product":"pam_usb","version":"affected < 0.8.7","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-44712","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-05-28T13:16:06.876396Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-05-28T13:17:14.622Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"pam_usb","vendor":"mcdope","versions":[{"status":"affected","version":"< 0.8.7"}]}],"descriptions":[{"lang":"en","value":"pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, a crafted UUID such as $(id>/tmp/rce) in the config causes root RCE when pamusb-conf --reset-pads is run. A USB device with a crafted filesystem UUID (some controllers allow this) can inject the payload at --add-device time. Also, userName from the XML config is passed to os.system() in pamusb-agent, which invokes a shell. This vulnerability is fixed in 0.8.7."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-88","description":"CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-27T20:24:23.131Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/mcdope/pam_usb/security/advisories/GHSA-jgv5-w6rm-7wxg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mcdope/pam_usb/security/advisories/GHSA-jgv5-w6rm-7wxg"}],"source":{"advisory":"GHSA-jgv5-w6rm-7wxg","discovery":"UNKNOWN"},"title":"pam_usb: Shell injection via device UUID and username in pamusb-conf and pamusb-agent"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-44712","datePublished":"2026-05-27T20:24:23.131Z","dateReserved":"2026-05-07T17:07:09.318Z","dateUpdated":"2026-05-28T13:17:14.622Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 21:16:18","lastModifiedDate":"2026-05-28 13:57:25","problem_types":["CWE-78","CWE-88","CWE-78 CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","CWE-88 CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.5,"impactScore":6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"44712","Ordinal":"1","Title":"pam_usb: Shell injection via device UUID and username in pamusb-","CVE":"CVE-2026-44712","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"44712","Ordinal":"1","NoteData":"pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, a crafted UUID such as $(id>/tmp/rce) in the config causes root RCE when pamusb-conf --reset-pads is run. A USB device with a crafted filesystem UUID (some controllers allow this) can inject the payload at --add-device time. Also, userName from the XML config is passed to os.system() in pamusb-agent, which invokes a shell. This vulnerability is fixed in 0.8.7.","Type":"Description","Title":"pam_usb: Shell injection via device UUID and username in pamusb-"}]}}}