CVE-2026-40562
High
Published: 06 May 2026
Published
06 May 2026
Modified
06 May 2026
KEV Added
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Patch
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CVSS Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
N/A
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
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…
more
could exploit this to smuggle malicious HTTP requests via a front-end reverse proxy.
Security SummaryAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)