Undici has an HTTP Request/Response Smuggling issue

Impact Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted: - Applications usi...

CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

DEBIAN-CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

UBUNTU-CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-32239

A flaw was found in the KJ-HTTP component of Cap’n Proto. When processing HTTP messages, a negative Content-Length value could be implicitly converted to an unsigned integer, resulting in an extremely large length value. An attacker could exploit this behavior by sending specially crafted HTTP...

EUVD-2026-11776

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-23941 Request smuggling via first-wins Content-Length parsing in inets httpd

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-23941

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-23941

CVE-2026-23941 - Erlang OTP inets httpd HTTP Request Smuggling Technical details in connected documents describe a vulnerability in Erlang OTP’s inets httpd module (httpd_request.erl, httpd_request:parse_headers/7) where the server does not reject or normalize duplicate Content-Length headers. Th...

EEF-CVE-2026-23941 Request smuggling via first-wins Content-Length parsing in inets httpd

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/http\server/httpd\request.erl and program routines...

CVE-2026-23941 Request smuggling via first-wins Content-Length parsing in inets httpd

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

CVE-2026-23941 Request smuggling via first-wins Content-Length parsing in inets httpd

Inconsistent Interpretation of HTTP Requests 'HTTP Request Smuggling' vulnerability in Erlang OTP inets httpd module allows HTTP Request Smuggling. This vulnerability is associated with program files lib/inets/src/httpserver/httpdrequest.erl and program routines httpdrequest:parseheaders/7. The...

OPENSUSE-SU-2026:20354-1 Security update for libsoup2

This update for libsoup2 fixes the following issues: - CVE-2025-4476: null pointer dereference may lead to denial of service bsc1243422. - CVE-2025-14523: Duplicate Host Header Handling Causes Host-Parsing Discrepancy bsc1254876. - CVE-2025-32049: Denial of Service attack to websocket server...

PT-2026-25163

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 17.0 through 28.4.1 Erlang OTP versions 26.2.5.18 and 27.3.4.9 inets versions 5.10 through 9.6.1 inets versions 9.1.0.5 and 9.3.2.3 Description An inconsistent interpretation of HTTP requests, specifically 'HTTP Request...

Linux Distros Unpatched Vulnerability : CVE-2026-1525

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This...

Linux Distros Unpatched Vulnerability : CVE-2026-32239

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it...

HTTP Request Smuggling

Overview Affected versions of this package are vulnerable to HTTP Request Smuggling via the KJ-HTTP process. An attacker can cause the system to interpret a negative Content-Length value as an extremely large unsigned value by sending specially crafted HTTP requests or responses, potentially...

CVE-2026-1525

A flaw was found in undici, a Node.js HTTP/1.1 client. A remote attacker could exploit this vulnerability by sending HTTP/1.1 requests that include duplicate Content-Length headers with different casing e.g., "Content-Length" and "content-length". This can lead to HTTP Request Smuggling, a...