CVE-2026-40561 - Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence

CVE-2026-40561 - Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence

https://cvefeed.io/rssfeed/latest.atom / Sun, 05/03/2026 - 05:21
CVE ID :CVE-2026-40561
Published : May 3, 2026, 1:15 a.m. | 59 minutes ago
Description :Starlet versions through 0.31 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starlet 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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