CVE-2026-85592
CVE-2026-85592
phpMyFAQ before 4.1.8 contains an authorization bypass vulnerability in the question creation endpoint where the isAddingQuestionsAllowed() method grants access to all callers when main.enableAskQuestions is enabled, ignoring the records.allowQuestionsForGuests setting. Unauthenticated attackers can submit questions via the question/create API endpoint to bypass guest submission restrictions and inject spam into the admin moderation queue.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85592?
- CVE-2026-85592 is a low-severity vulnerability, classified under Incorrect Authorization. CVSS score: 3.7/10. Published 2026-09-04.
- How severe is CVE-2026-85592?
- Low severity. CVSS v3 base score is 3.7 out of 10.