CVE-2026-44711: Auth Bypass (CVSS 7.9)

Description

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.

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CVSS v3.1 Score

7.9

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H

EPSS — Exploit Prediction

0.0017

Probability of exploitation

0.06%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-59 CWE-59

CWE-287 Improper Authentication

References

Other References

https://github.com/mcdope/pam_usb/security/advisories/GHSA-fjpm-p9pj-mp34 https://github.com/uniget-org/cli/security/advisories/GHSA-qqq4-5773-pmw5

Frequently Asked Questions

What is CVE-2026-44711? +

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. It has a CVSS v3.1 base score of 7.9 (HIGH).

How severe is CVE-2026-44711? +

CVE-2026-44711 has a CVSS v3.1 score of 7.9 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0017, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-44711? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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