Medium severity · published Oct 8, 2026
CVE-2026-107638
pH7Builder before 18.5.0 2FA Brute Force via VerificationCodeFormProcess.php
6.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
ph7builder · ph7software
before 18.5.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-107638
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-107638
patch
https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/44970860b82f8af867de9d2832081485f5dbe578
technical-description
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
product
https://github.com/pH7Software/pH7-Social-Dating-CMS
third-party-advisory
https://www.vulncheck.com/advisories/ph7builder-before-18.5.0-2fa-brute-force-via-verificationcodeformprocess-php
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