CVE-2026-48980: Mcdope Pam USB

Medium severity, CVSS 6.3. EPSS: 0.2% chance of exploitation in the next 30 days.

pam_usb provides hardware authentication for Linux using removable media. In versions prior to 0.9.2, getenv() environment variables XRDP_SESSION, DISPLAY and TMUX allow environment variable injection into local-check logic. These environment variables influence whether a current session is local or remote, and a PAM module that runs in the context of setuid binaries (sudo, su), getenv() returns attacker-controlled values whenever the process environment has been manipulated by a local user. This issue has been fixed in version 0.9.2.

Affected products

• Mcdope Pam USB: before 0.9.2 (fixed in 0.9.2)

Published 2026-06-18. Last modified 2026-06-22.