CVE-2026-44711

Summary

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.

Affected Software

Weaknesses

• CWE-59: CWE-59: Improper Link Resolution Before File Access ('Link Following')
• CWE-287: CWE-287: Improper Authentication

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.com/uniget-org/cli/security/advisories/GHSA-qqq4-5773-pmw5

References

• https://github.com/mcdope/pam_usb/security/advisories/GHSA-fjpm-p9pj-mp34

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