CVE-2026-107638 pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php
Attackers can bypass two-factor authentication by brute-forcing TOTP codes to take over user and administrator accounts in pH7Builder.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-107638?
CVE-2026-107638 is a high-severity authentication bypass vulnerability in ph7software ph7builder, published on 8 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains an improper restriction of authentication attempts vulnerability that allows attackers to bypass two-factor authentication by guessing TOTP codes without limits. Attackers who know an account password can submit unlimited 6-digit verification codes to VerificationCodeFormProcess.php to take over member, affiliate, or administrator accounts.
Weakness: CWE-307
Which versions are affected by CVE-2026-107638?
How do I fix CVE-2026-107638?
No fix has been published for CVE-2026-107638 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-107638 being exploited?
There is no known exploitation of CVE-2026-107638 in the wild and no public exploit code.
Sources
Also known as GHSA-grjj-qrfp-h6h9.