Improper Authentication Affecting mcdope/pam_usb package, versions [,0.9.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UNMANAGED-MCDOPEPAMUSB-16964278
- published28 May 2026
- disclosed27 May 2026
- creditmcdope
Introduced: 27 May 2026
NewCVE-2026-47272 (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 Improper Authentication via the pusb_pad_compare function. An attacker can gain unauthorized access by deleting the ~/.pamusb/device.pad file and bypassing the requirement for the physical USB device.