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CVE-2026-55584: Php Untrusted Forwarded Ip Fallbackcve-2026-55584-php-untrusted-forwarded-ip-fallback

Directly trusting client-supplied headers such as HTTP_X_FORWARDED_FOR or HTTP_CLIENT_IP without validating REMOTE_ADDR against a trusted proxy allowlist enables IP spoofing and authorization bypass.

PHPCVE-2026-55584CWE-290
by Provallyupdated 2026-09-02Apache-2.0
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