CVE-2026-47274 (GCVE-0-2026-47274)
Vulnerability from cvelistv5
Published
2026-05-27 20:02
Modified
2026-05-30 01:47
Severity ?
6.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-427 - Uncontrolled Search Path Element
Summary
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.
References
Impacted products
Vendor Product Version
mcdope pam_usb Version: < 0.9.0
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