Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-77756

Gravedad CVSS v3.1:
BAJA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
23/09/2026
Última modificación:
23/09/2026

Descripción

*** Pendiente de traducción *** Inconsistent Interpretation of HTTP Requests (&amp;#39;HTTP Request/Response Smuggling&amp;#39;) vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse proxy.<br /> <br /> <br /> <br /> This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.47 through 9.0.121.<br /> <br /> <br /> <br /> The following versions were EOL at the time the CVE was created but are <br /> known to be affected: from 8.5.67 through 8.5.100. Other unsupported versions may also be affected.<br /> <br /> <br /> <br /> Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.