CVE-2026-111911 phpMyFAQ - Authentication Bypass

phpMyFAQ < 4.1.9 contains an authentication bypass caused by WebAuthn registration endpoints attaching credentials without authentication or challenge validation, letting attackers bypass passwords and TOTP for account takeover.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.42% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Authentication
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
17 October 2026
Updated
19 October 2026
Weakness
CWE-287

Vendor fix

Update to version 4.1.9 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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