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CVE-2026-48612

AI Predicted 8.6 Difficulty: Easy EPSS 0.12% · P2

Possible ATT&CK Techniques 1AI

T1078.004 · Cloud Accounts

Affected Version Matrix 1

VendorProductVersion RangeStatus
phpBBphpBB3.3.0≤ 3.3.16affected
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I. Basic Information for CVE-2026-48612

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper state verification in the OAuth implementation could allow an attacker to manipulate the authentication flow and cause a victim’s account to be linked to an attacker-controlled account. This can result in unauthorized account linking and potential account takeover.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
phpBB 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpBB是phpbb团队开源的一套基于PHP的Web论坛软件。 phpBB存在跨站请求伪造漏洞，该漏洞源于OAuth实现中状态验证不当，可能导致攻击者操控身份认证流程并将受害者账户链接到攻击者控制的账户，从而实现未授权账户关联和潜在的账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
phpBBphpBB 3.3.0 ~ 3.3.16 -

II. Public POCs for CVE-2026-48612

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III. Intelligence Information for CVE-2026-48612

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Vendor Advisories for CVE-2026-48612 (1)

Same Patch Batch · phpBB · 2026-06-12 · 4 CVEs total

CVE-2026-47366phpBB 权限许可和访问控制问题漏洞
CVE-2026-48611phpBB 授权问题漏洞
CVE-2026-48613phpBB SQL注入漏洞

IV. Related Vulnerabilities

Same product: phpBB
Same vendor: phpBB
Same weakness: CWE-352

V. Comments for CVE-2026-48612

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