Ubuntu 24.04 LTS / 25.10 / 26.04 LTS : HAProxy vulnerability (USN-8208-1)

The remote Ubuntu 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8208-1 advisory. Martino Spagnuolo discovered that HAProxy did not check received body lengths in the HTTP/3 parser. A remote attacker could possibly use this...

Linux Distros Unpatched Vulnerability : CVE-2026-40560

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes Content-Length over...

CVE-2026-40560

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman 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...

CVE-2026-40560 Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman 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...

CVE-2026-40560 Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman 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...

EUVD-2026-26189

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman 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...

CVE-2026-40560

The Starman PSGI Perl web server (versions before 0.4018 ) is vulnerable to HTTP Request Smuggling due to Improper Header Precedence . 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 ...

CVE-2026-40560 Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman 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...

CVE-2026-41873

UNSUPPORTED WHEN ASSIGNED Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Pony Mail leading to admin account takeover. This issue affects all versions of the Lua implementation of Pony Mail. There is a Python implementation under development under t...

CVE-2026-41873 Pony Mail: Admin account takeover via request smuggling

UNSUPPORTED WHEN ASSIGNED Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Pony Mail leading to admin account takeover. This issue affects all versions of the Lua implementation of Pony Mail. There is a Python implementation under development under t...

CVE-2026-41873

Technical details are not publicly available in the provided documents; no concrete information on affected products, versions, root cause, or fixes is present. Monitor for updates.

EUVD-2026-26065

UNSUPPORTED WHEN ASSIGNED Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Pony Mail leading to admin account takeover. This issue affects all versions of the Lua implementation of Pony Mail. There is a Python implementation under development under t...

PT-2026-35863

Name of the Vulnerable Software and Affected Versions Starman versions prior to 0.4018 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, whi...

PT-2026-35747

Name of the Vulnerable Software and Affected Versions Pony Mail Lua implementation affected versions not specified Description Inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, allows for admin account takeover. This occurs when a front-end server and a...

USN-8208-1 haproxy vulnerability

Martino Spagnuolo discovered that HAProxy did not check received body lengths in the HTTP/3 parser. A remote attacker could possibly use this issue to perform a request smuggling attack and obtain sensitive information...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the NewServer function in the HTTP server, specifically within the http.DefaultServeMux Fallback Handler. An attacker can access sensitive information by sending crafted HTTP requests that trigger the unintend...

OESA-2026-2084 haproxy security update

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Security Fixes: An issue was...

OESA-2026-2085 haproxy security update

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Security Fixes: An issue was...

OESA-2026-2086 haproxy security update

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Security Fixes: An issue was...

OESA-2026-2083 haproxy security update

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Security Fixes: An issue was...