CVE-2026-40562 - Gazelle versions through 0.49 for Perl allows HTTP Request Smuggling via Improper Header Precedence

CVE-2026-40562 - Gazelle versions through 0.49 for Perl allows HTTP Request Smuggling via Improper Header Precedence

https://cvefeed.io/rssfeed/latest.atom / Wed, 05/06/2026 - 17:22
CVE ID :CVE-2026-40562
Published : May 6, 2026, 1:16 p.m. | 1 hour ago
Description :Gazelle versions through 0.49 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Gazelle incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An attacker could exploit this to smuggle malicious HTTP requests via a front-end reverse proxy.
Severity: 0.0 | NA
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