undertow-core: Undertow:HTTP request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

undertow-core: Undertow:HTTP request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

undertow-core: Undertow:HTTP request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

undertow-core: Undertow:HTTP request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

CVE-2026-14180

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

DEBIAN-CVE-2026-14180

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

CVE-2026-14180

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

UBUNTU-CVE-2026-14180

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

CVE-2026-14180

Summary : CVE-2026-14180 affects the Undertow HTTP server’s ChunkReader used by WildFly/JBoss EAP. The root cause is a single internal variable used for both the remaining chunk size and state flags, enabling a crafted oversized chunk-size request to cause overlap and trigger a second, “smuggled”...

CVE-2026-14180 Undertow-core: undertow:http request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

CVE-2026-14180 Undertow-core: undertow:http request smuggling via oversized chunk-size bit overlap

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

CVE-2026-14180

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

CVE-2026-14180

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...

PT-2026-70241

Name of the Vulnerable Software and Affected Versions Undertow HTTP server affected versions not specified WildFly affected versions not specified JBoss EAP affected versions not specified Description A flaw exists in the ChunkReader component of the Undertow HTTP server, which is utilized by...

CVE-2026-14180: Inconsistent Interpretation of HTTP Requests

A flaw was found in the ChunkReader component of the Undertow HTTP server, which is used by WildFly and JBoss EAP to handle chunked transfer encoding. The issue occurs because the parser uses a single internal variable to store both the remaining chunk size and state flags. By sending a specially...