CVE-2026-23527

A flaw was found in h3, a minimal HTTP Hypertext Transfer Protocol framework. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request where the Transfer-Encoding header uses a case variation of "chunked". The readRawBody function performs a strict case-sensiti...

Security Bulletin: Netty Vulnerability Affects IBM Watson Machine Learning on CP4D (CVE-2021-21295)

Summary Netty is vulnerable to HTTP request smuggling, caused by improper validation of Content-Length header by the Http2MultiplexHandler on IBM Watson Machine Learning on CP4D Vulnerability Details CVEID:CVE-2024-12798 DESCRIPTION: ACE vulnerability in JaninoEventEvaluator by QOS.CH logback-cor...

MiracleLinux 4 : tomcat6-6.0.24-72.AXS4 (AXSA:2014-451:03)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2014-451:03 advisory. Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Jav...

HTTP Request Smuggling

Overview io.vertx:vertx-core is a tool-kit for building reactive applications on the JVM. Affected versions of this package are vulnerable to HTTP Request Smuggling due to improper handling of / in the output buffer by removeDots function in Static Handler. An attacker can prevent access to stati...

CVE-2026-23527

H3 is a minimal HTTP framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this heade...

GHSA-MP2G-9VG9-F4CG h3 v1 has Request Smuggling (TE.TE) issue

I was digging into h3 v1 specifically v1.15.4 and found a critical HTTP Request Smuggling vulnerability. Basically, readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this header should be case-insensitive. The...

h3 v1 has Request Smuggling (TE.TE) issue

I was digging into h3 v1 specifically v1.15.4 and found a critical HTTP Request Smuggling vulnerability. Basically, readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this header should be case-insensitive. The...

EUVD-2026-2737

H3 is a minimal HTTP framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this heade...

CVE-2026-23527 h3 v1 has Request Smuggling (TE.TE) issue

H3 is a minimal HTTP framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this heade...

CVE-2026-23527

H3 is a minimal HTTP framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this heade...

HTTP Request Smuggling

Overview h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to HTTP Request Smuggling via improper parsing of the Transfer-Encoding header in the readRawBody function. An attacker can bypass security controls and poison web...

CVE-2026-23527 h3 v1 has Request Smuggling (TE.TE) issue

H3 is a minimal HTTP framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this heade...

CVE-2026-23527 h3 v1 has Request Smuggling (TE.TE) issue

H3 is a minimal HTTP framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this heade...

HTTP Request Smuggling

Overview org.webjars.npm:h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to HTTP Request Smuggling via improper parsing of the Transfer-Encoding header in the readRawBody function. An attacker can bypass security controls...

CVE-2026-23527

CVE-2026-23527 affects the h3 HTTP framework (pre-1.15.5). The vulnerability is in readRawBody, which performs a strict case-sensitive check for the Transfer-Encoding header and looks for the literal value “chunked.” Because RFC requires case-insensitive handling, an attacker can craft a request ...

0utmailauth (1.0.0), @1023-ventures/ursa-core (>=0.5.2, <=0.5.3) +2005 more potentially affected by CVE-2026-22036 via undici (>=6.0.0, <=6.22.0)

undici NPM version =6.0.0, =0.5.2, =0.5.2, =0.4.2, =0.5.116, =1.3.7-canary.36.1, =1.3.7-canary.36.1, =1.3.7-canary.36.1, =1.0.0, =1.0.0, =0.1.5-alpha.0, =1.0.9-beta.0, =0.5.21-beta.0, =0.5.43 and more Source cves: CVE-2026-22036 Source advisory: SNYK:JS-UNDICI-14943963...

Astra Linux – Vulnerability in ruby-webrick

Ruby WEBrick’s readheaders method exposes a vulnerability related to HTTP request smuggling. This vulnerability allows remote attackers to inject arbitrary HTTP requests into affected installations of Ruby WEBrick. This issue becomes exploitable when the product is deployed behind an HTTP proxy...

MiracleLinux 9 : osbuild-composer-132.2-2.el9_6.ML.1 (AXSA:2025-10647:06)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2025-10647:06 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block...

MiracleLinux 9 : skopeo-1.18.1-2.el9_6 (AXSA:2025-10550:03)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2025-10550:03 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block...

MiracleLinux 8 : varnish:6 (AXSA:2025-9999:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2025-9999:01 advisory. varnish: request smuggling attacks CVE-2025-47905 Tenable has extracted the preceding description block directly from the MiracleLinux security advisory. Not...