CVE-2026-37603 Security feature bypass in n/a

Medium 6.5 Published Updated

Attackers can bypass CAPTCHA protection on the admin login by resetting sessions, enabling brute-force attacks against pH7Builder.

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-2026-37603?

CVE-2026-37603 is a medium-severity vulnerability in n/a, published on 22 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Restriction of Excessive Authentication Attempts in the administration login of pH7Software pH7Builder (pH7 Social Dating CMS) through 19.2.0. The CAPTCHA escalation flag is stored in the PHP session as captcha_admin_enabled and the CAPTCHA form element is only built when that flag is present, so a remote unauthenticated attacker who obtains a new session before each login attempt is never presented with the challenge.

Weakness: CWE-307

Which versions are affected by CVE-2026-37603?

How do I fix CVE-2026-37603?

No fix has been published for CVE-2026-37603 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-37603 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-37603 exists.

Sources

Also known as GHSA-j8rq-fmrx-q34r.

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