PT-2026-37626
CVE-2026-40562
·
Published
2026-05-06
·
Updated
2026-05-11
Description by
CVSS 3.1
7.5
HighMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Name of the Vulnerable Software and Affected Versions
Gazelle versions prior to 0.50
Description
Improper header precedence allows HTTP Request Smuggling. The software incorrectly prioritizes the
Content-Length header over Transfer-Encoding: chunked when both are present in an HTTP request, violating RFC 7230 3.3.3. This allows an attacker to smuggle malicious HTTP requests through a front-end reverse proxy.Recommendations
Update to a version later than 0.49.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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