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

Quick assessment

Affected
ph7software ph7builder
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

pH7Builder（pH7 社交 dating 内容管理系统）在 18.6.0 版本之前存在一个硬编码 API 密钥漏洞，该漏洞位于 Tool.class.php 文件中。攻击者可通过伪造 Host 标头绕过 API 访问检查，从而以未经身份验证的方式利用此漏洞。攻击者可以向服务器发送 Host: localhost 并附带 private_api_key=dev772277 以及默认允许的 URL，进而获取会员的电子邮件地址、IP 地址、电话号码和银行账户字段等敏感信息。

CVSS 7.5 · High

Affected Version Matrix 2

VendorProduct Version RangeStatus
ph7software ph7builder < 18.6.0 affected
18.6.0 unaffected
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I. Basic Information for CVE-2026-108905

Vulnerability Information
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Vulnerability Title
pH7Builder before 18.6.0 Hard-Coded API Key Bypass via Host Header
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ph7software ph7builder 0 ~ 18.6.0 -

II. Public POCs for CVE-2026-108905

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III. Intelligence Information for CVE-2026-108905

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Patches & Fixes for CVE-2026-108905 (1)

Vendor Advisories for CVE-2026-108905 (1)

Other References for CVE-2026-108905 (1)

Same Patch Batch · ph7software · 2026-10-11 · 4 CVEs total

CVE-2026-108902 8.1 HIGH pH7Builder before 18.5.0 Path Traversal Arbitrary File Deletion via picture_link
CVE-2026-108904 6.5 MEDIUM pH7Builder before 18.5.0 Sensitive Data Exposure via Member API UserController
CVE-2026-108903 5.3 MEDIUM pH7Builder before 19.3.0 CAPTCHA Bypass via Client-Chosen Form ID

IV. Related Vulnerabilities

Same product: ph7builder
Same vendor: ph7software
Same weakness: CWE-798

V. Comments for CVE-2026-108905

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