What is CVE-2026-44709?

CVE-2026-44709 is a high-severity vulnerability in Mcdope Pam_usb, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-05-27.

How severe is CVE-2026-44709?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Mcdope Pam_usb

CVE-2026-44709

pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, pamusb-pinentry reads the PINENTRY_FALLBACK_APP environment variable and executes it directly without any validation. Any process that can s…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mcdope Pam_usb — versions < 0.8.7

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-44709?: CVE-2026-44709 is a high-severity vulnerability in Mcdope Pam_usb, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-05-27.
How severe is CVE-2026-44709?: High severity. CVSS v3 base score is 7.8 out of 10.