Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by an HTTP request smuggling vulnerability due to Eclipse Jetty

Summary Eclipse Jetty is used by IBM Integrated Analytics System as a web server and servlet container. CVE-2026-19203 affects Eclipse Jetty due to accepting a lone line-feed LF character as a terminator in chunked request parsing such as in chunk extensions, chunk data termination, or trailer...

EulerOS 2.0 SP11 : nghttp2 (EulerOS-SA-2026-4258)

According to the versions of the nghttp2 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content- Length header and body onto reusable...

http-desync-guardian

Resumen HTTP/1.1 experimentó una larga evolución desde 1991 hasta 2014: HTTP/0.9 – 1991 HTTP/1.0 – 1996 HTTP/1.1 RFC 2068 – 1997 RFC 2616 - 1999 RFC 7230 - 2014 Esto significa que existe una variedad de servidores y clientes, los cuales pueden tener diferentes puntos de vista sobre los límites de...

CVE-2026-107938 Apache CXF: The Netty HTTP client transport does not perform TLS hostname verification.

In Apache CXF, the Netty-based HTTP client transport cxf-rt-transports-http-netty-client did not verify that the hostname in the server’s TLS certificate matched the host being called. This applied over both HTTP/1.1 and HTTP/2, even when disableCNCheck was left at its default value of false. The...

EUVD-2026-95703

In Apache CXF, the Netty-based HTTP client transport cxf-rt-transports-http-netty-client did not verify that the hostname in the server’s TLS certificate matched the host being called. This applied over both HTTP/1.1 and HTTP/2, even when disableCNCheck was left at its default value of false. The...

CVE-2026-107938

The Apache CXF Netty-based HTTP client transport (cxf-rt-transports-http-netty-client ) fails to verify that the hostname in a server's TLS certificate matches the host being called. This flaw impacts both HTTP/1.1 and HTTP/2 protocols, even when the disableCNCheck parameter is set to its default...

CVE-2026-107938: Improper Validation of Certificate with Host Mismatch

In Apache CXF, the Netty-based HTTP client transport cxf-rt-transports-http-netty-client did not verify that the hostname in the server’s TLS certificate matched the host being called. This applied over both HTTP/1.1 and HTTP/2, even when disableCNCheck was left at its default value of false. The...

curl: HTTP/1.1 connection reuse returns unsolicited server data as the next request's response (regression in 8.22.0)

Since 8.22.0 libcurl reuses an idle HTTP/1.1 connection that already has unread bytes waiting on it, as long as the pool health check ran less than a second ago, and those bytes are then returned as the response to the next request sent on that connection, so every later response on it is shifted...

CLEANSTART-2026-ZJ59576 client may issue specially crafted HTTP/1

Security vulnerability affects the apache-nifi package. A client may issue specially crafted HTTP/1...

CVE-2026-56866: Inconsistent Interpretation of HTTP Requests

When http.Transport sends an HTTP/1 CONNECT request with a non-empty Request.Body, it writes the body directly to the connection without framing after the request headers. If the server rejects the CONNECT request with a non-2xx keep-alive response, Transport returns the connection to the idle...

CLEANSTART-2026-EL31068 Uncontrolled Resource Consumption vulnerability in the HTTP/1

Security vulnerability affects the sonarqube package. Uncontrolled Resource Consumption vulnerability in the HTTP/1...

BIT-ENVOY-2020-8659

CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small i.e. 1 byte chunks...

K000163542: undici vulnerability CVE-2026-6733

Security Advisory Description Impact: Undici's HTTP/1.1 client is vulnerable to response queue poisoning on reused keep-alive sockets. An attacker-controlled upstream server can inject an unsolicited HTTP/1.1 response onto an idle socket after a request completes. When the client dispatches the...

caddy v2.11.7

a project Every site on HTTPS Caddy is an extensible server platform that uses TLS by default. Releases · Documentation · Get Help Powered by Special thanks to: Warp, built for coding with multiple AI agents Available for MacOS, Linux, & Windows Menu Features Install Build from source For...

Security Bulletin: Due to the use of HTTP/1.1 with Jetty server, IBM Sterling Control Center is vulnerable to Inconsistent Interpretation of HTTP Requests (CVE-2026-19203)

Summary HTTP/1.1 with Jetty server is used by IBM Sterling Control Center as part of dependency in jetty-http-12.0.25.jar. Vulnerability Details CVEID:CVE-2026-19203 DESCRIPTION: A client may issue specially crafted HTTP/1.1 chunked requests to a Jetty server that cause Jetty and an intermediary...

NetScaler 73.30 HTTP Request Smuggling

NetScaler version 73.30 contains an HTTP/1.1 chunk-size accumulator overflow that can cause request parsing desynchronization and request smuggling...

sanic chunked trailer request smuggling allows hidden second request execution

DescriptionSanic's HTTP/1.1 chunked-body handling does not fully consume the trailer-part after the terminating 0\r\n chunk. Because of that, attacker-controlled bytes left in the connection buffer after the first chunked request can be interpreted as the start of a new HTTP request on the same...

PYSEC-2026-4162 sanic chunked trailer request smuggling allows hidden second request execution

Description Sanic's HTTP/1.1 chunked-body handling does not fully consume the trailer-part after the terminating 0\r\n chunk. Because of that, attacker-controlled bytes left in the connection buffer after the first chunked request can be interpreted as the start of a new HTTP request on the same...

CLEANSTART-2026-GI93885 In Eclipse Jetty, the HTTP/1

Security vulnerability affects the apache-nifi package. In Eclipse Jetty, the HTTP/1...

AlmaLinux 9.6 [TuxCare] Security Update: nodejs / nodejs-devel / nodejs-docs / nodejs-full-i18n / etc (ALMALINUX9.6:CLSA-2026:1784113246)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784113246 advisory. - Impact: Undici's HTTP/1.1 client is vulnerable to response queue poisoning on reused keep-alive sockets. An attacker-controlled upstream...