Access Control Bypass Affecting mcdope/pam_usb package, versions [,0.9.0)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (21st percentile)

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  • Snyk IDSNYK-UNMANAGED-MCDOPEPAMUSB-16964272
  • published28 May 2026
  • disclosed27 May 2026
  • creditmcdope

Introduced: 27 May 2026

NewCVE-2026-47269  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade mcdope/pam_usb to version 0.9.0 or higher.

Overview

Affected versions of this package are vulnerable to Access Control Bypass in the deny_remote process. An attacker can gain unauthorized access by authenticating over SSH using a registered USB device, as remote connections using IPv4-mapped IPv6 addresses are incorrectly classified as local sessions.

CVSS Base Scores

version 4.0
version 3.1