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Fast-Uri (>= 4.0.0, < 4.1.4)

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high advisory

Host Confusion Vulnerability in fast-uri via Malformed URI Authority

The fast-uri library incorrectly parses URI authorities containing unbalanced brackets, allowing attackers to bypass SSRF denylists and security filters by causing a discrepancy between the parsed host and the host resolved by underlying HTTP clients.

fast-uri +3 vulnerability ssrf web-security
1t 1c updated