What is CVE-2026-48064?

CVE-2026-48064 is a high-severity vulnerability in Mcdope Pam_usb, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-05-27.

How severe is CVE-2026-48064?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Mcdope Pam_usb

CVE-2026-48064

pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, when a PAM service is configured with deny_remote=false in pam_usb (commonly done for display managers such as gdm-password or lightdm to by…

Vulnerability class: Broken Access Control

EPSS: 0.001 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mcdope Pam_usb — versions < 0.9.1

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48064?: CVE-2026-48064 is a high-severity vulnerability in Mcdope Pam_usb, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-05-27.
How severe is CVE-2026-48064?: High severity. CVSS v3 base score is 8.1 out of 10.