Vulnerability · Published Oct 8, 2026 · Assigned by VulnCheck

CVE-2026-107638pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php

Medium 6.8

In plain English

A medium-severity security flaw in ph7builder from ph7software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium

Exploit odds (30 days)0.4%top 69.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
ph7software	ph7builder	0 – before 18.5.0

Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

References

Patch Commit patch
https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.4.1/_protected/app/system/modules/two-factor-auth/forms/processing/VerificationCodeFormProcess.php#L34-L60 technical-description
https://github.com/pH7Software/pH7-Social-Dating-CMS product
VulnCheck Advisory: pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php third-party-advisory