CVE-2026-44711
pam_usb: Symlink attacks on pad directory and pad files enable authentication bypass and root file corruption
CVSS Score
7.9
EPSS Score
0.0%
EPSS Percentile
5th
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, symlink attacks on pad directory and pad files enable authentication bypass and root file corruption. This vulnerability is fixed in 0.8.7.
| CWE | CWE-59 CWE-287 |
| Vendor | mcdope |
| Product | pam_usb |
| Published | May 27, 2026 |
| Last Updated | May 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
mcdope / pam_usb
< 0.8.7