CVE-2026-85586 phpMyFAQ before 4.1.8 CAPTCHA Bypass via store parameter
Unauthenticated attackers can bypass CAPTCHA validation to submit unlimited questions, causing database pollution and spam notifications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85586?
CVE-2026-85586 is a medium-severity vulnerability in thorsten phpMyFAQ, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
phpMyFAQ versions before 4.1.8 fail to validate CAPTCHA when the store parameter is set to 'now' in question submission requests. Unauthenticated attackers can bypass CAPTCHA protection and submit unlimited questions directly, causing database pollution and triggering outgoing mail notifications.
Weakness: CWE-799
Which versions are affected by CVE-2026-85586?
How do I fix CVE-2026-85586?
No fix has been published for CVE-2026-85586 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-85586 being exploited?
There is no known exploitation of CVE-2026-85586 in the wild and no public exploit code.
Sources
Also known as GHSA-72vj-pvm4-mm7x, GHSA-m8g2-rwh5-6gg5.