CVE-2026-48611 PoC — phpBB 授权问题漏洞

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-48611.yaml

Associated Vulnerability

Title: phpBB 授权问题漏洞 (CVE-2026-48611)
Description:Improper authentication checks in the OAuth implementation allow account hijacking even when OAuth is not configured or enabled leading to unauthorized access in default installations.

Description

phpBB before 3.3.17 contains an authentication bypass vulnerability in the login-link feature. By setting the auth_provider query parameter to "apache", an unauthenticated attacker can bypass password verification and log in as any user, including administrators. The Apache auth provider trusts the Basic authentication header username without password verification, as it assumes Apache handles authentication upstream.

File Snapshot

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