What’s Vulnerable › Vulnerabilities

CVE-2026-108905: pH7Builder before 18.6.0 Hard-Coded API Key Bypass via Host Header

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-11 · updated 2026-10-13
• Weakness: CWE-798

Description

pH7Builder (pH7 Social Dating CMS) before 18.6.0 contains a hard-coded API key vulnerability in Tool.class.php that allows unauthenticated attackers to bypass API access checks by spoofing the Host header. Attackers can send Host: localhost with private_api_key=dev772277 and the default allowed URL to retrieve member emails, IP addresses, phone numbers, and bank account fields.

Affected products

• ph7software ph7builder: before 18.6.0 — fixed in 18.6.0

How to fix

Upgrade to a fixed version: ph7software ph7builder 18.6.0. Check the vendor advisory for mitigations.

References

• https://github.com/pH7Software/pH7-Social-Dating-CMS
• https://github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.5.1/_protected/framework/Api/Tool.class.php#L25-L48
• https://github.com/pH7Software/pH7-Social-Dating-CMS/commit/cfe1e0c418946b868db8c399d0cf6b122552efd2
• https://www.vulncheck.com/advisories/ph7builder-before-18.6.0-hard-coded-api-key-bypass-via-host-header

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