Information disclosure in phpMyFAQ - CVE-2026-85588
Published: August 21, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU144532
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85588
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive authentication information.
The vulnerability exists due to exposure of sensitive information in the user data export endpoint when processing a self-service data export request. A remote user can request a data export archive to disclose sensitive authentication information.
The exported userdata.json contains the live TOTP shared secret in plaintext, which remains valid until two-factor authentication is reset.
Affected software
phpMyFAQ
How to mitigate CVE-2026-85588
Install security update from vendor's website.
phpMyFAQ - update to 4.1.8