CVE-2026-47274

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{"affected": [{"affectedData": [{"product": "pam_usb", "vendor": "mcdope", "versions": [{"status": "affected", "version": "< 0.9.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.0, multiple pam_usb helper tools resolved external binaries through the PATH environment variable rather than using absolute paths. An attacker who can influence the process environment during PAM authentication or tool execution could substitute malicious binaries. The affected tools are pamusb-check (src/tmux.c), pamusb-conf (tools/pamusb-conf), and pamusb-keyring-unlock-gnome (tools/pamusb-keyring-unlock-gnome). This vulnerability is fixed in 0.9.0."}, {"lang": "es", "value": "pam_usb proporciona autenticaci\u00f3n de hardware para Linux utilizando medios extra\u00edbles ordinarios. Antes de 0.9.0, m\u00faltiples herramientas auxiliares de pam_usb resolv\u00edan binarios externos a trav\u00e9s de la variable de entorno PATH en lugar de utilizar rutas absolutas. Un atacante que puede influir en el entorno del proceso durante la autenticaci\u00f3n PAM o la ejecuci\u00f3n de la herramienta podr\u00eda sustituir binarios maliciosos. Las herramientas afectadas son pamusb-check (src/tmux.c), pamusb-conf (tools/pamusb-conf) y pamusb-keyring-unlock-gnome (tools/pamusb-keyring-unlock-gnome). Esta vulnerabilidad est\u00e1 corregida en 0.9.0."}], "id": "CVE-2026-47274", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47274", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-30T01:47:06.236927Z", "version": "2.0.3"}}]}, "published": "2026-05-27T20:16:40.013", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/commit/1ee8745920388df48d001a8e61ba629071557937"}, {"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/commit/52a1fd6413b7ffcc1a5b58ce432be42e7bf0dbd0"}, {"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/commit/993e73d8bebb1d8e62677388de3402b6ec36b600"}, {"source": "security-advisories@github.com", "url": "https://github.com/mcdope/pam_usb/security/advisories/GHSA-pp29-w28g-r9h9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-427"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.9.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "pam_usb", "source": "cna", "vendor": "mcdope"}, "product": "pam_usb", "vendor": "mcdope"}], "created": "2026-05-27T22:45:44.572732+00:00", "updated": "2026-05-29T15:50:08.879670+00:00", "vendors": ["mcdope", "mcdope$PRODUCT$pam_usb"]}