{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48792", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-22T20:18:20.366Z", "datePublished": "2026-05-27T19:55:46.392Z", "dateUpdated": "2026-05-27T19:55:46.392Z"}, "containers": {"cna": {"title": "pam_usb: pusb_has_virtual_input_device() silently discards EACCES, disabling remote desktop detection under non-root execution", "problemTypes": [{"descriptions": [{"cweId": "CWE-390", "lang": "en", "description": "CWE-390: Detection of Error Condition Without Action", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-pvrg-chgw-x42c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-pvrg-chgw-x42c"}, {"name": "https://github.com/mcdope/pam_usb/issues/351", "tags": ["x_refsource_MISC"], "url": "https://github.com/mcdope/pam_usb/issues/351"}, {"name": "https://github.com/mcdope/pam_usb/issues/55", "tags": ["x_refsource_MISC"], "url": "https://github.com/mcdope/pam_usb/issues/55"}], "affected": [{"vendor": "mcdope", "product": "pam_usb", "versions": [{"version": "< 0.9.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-27T19:55:46.392Z"}, "descriptions": [{"lang": "en", "value": "pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, src/evdev.c silently ignores EACCES errors when opening /dev/input/event* nodes, causing pusb_has_virtual_input_device() to return 0 (no virtual devices found) even when every open() call failed due to insufficient permissions. The caller in src/local.c cannot distinguish a clean absence of virtual devices from a permission-denied scan, and acts on the false negative by continuing authentication without denying. This vulnerability is fixed in 0.9.1."}], "source": {"advisory": "GHSA-pvrg-chgw-x42c", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, src/evdev.c silently ignores EACCES errors when opening /dev/input/event* nodes, causing pusb_has_virtual_input_device() to return 0 (no virtual devices found) even when every open() call failed due to insufficient permissions. The caller in src/local.c cannot distinguish a clean absence of virtual devices from a permission-denied scan, and acts on the false negative by continuing authentication without denying. This vulnerability is fixed in 0.9.1."}], "id": "CVE-2026-48792", "lastModified": "2026-05-27T20:16:41.077", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-27T20:16:41.077", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/issues/351"}, {"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/issues/55"}, {"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-pvrg-chgw-x42c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-390"}, {"lang": "en", "value": "CWE-693"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}