Apache Tomcat Examples Web Application - Cross-Site Scripting

Apache Tomcat 8.5.50 to 8.5.81, 9.0.30 to 9.0.64, 10.0.0-M1 to 10.0.22, and 10.1.0-M1 to 10.1.0-M16 contain a reflected cross-site scripting caused by displaying unfiltered user data in the Form authentication example, letting attackers execute scripts in victim browsers, exploit requires attacke...

CVE-2026-55276

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

DEBIAN-CVE-2026-55956

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

CVE-2026-50229

Improper Neutralization of Script-Related HTML Tags in a Web Page Basic XSS vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, fro...

CVE-2026-53404

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

PT-2026-53743

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.22 Apache Tomcat versions 10.1.0-M1 through 10.1.55 Apache Tomcat versions 9.0.0.M1 through 9.0.118 Apache Tomcat versions 8.5.0 through 8.5.100 Description An always-incorrect control flow...

Astra Linux – Vulnerability in Tomcat9

The “Allocation of Resources Without Limits or Throttling” vulnerability in Apache Tomcat exists. This issue affects Apache Tomcat versions from 11.0.0-M1 through 11.0.0-M20, from 10.1.0-M1 through 10.1.24, and from 9.0.13 through 9.0.89. The following versions were already end-of-life at the tim...

Astra Linux – Vulnerability in Tomcat9

The issue involves a vulnerability in the generation of error messages containing sensitive information in Apache Tomcat. This issue affects Apache Tomcat versions starting from 8.5.7 through 8.5.63, and from 9.0.0-M11 through 9.0.43. Other, end-of-life versions may also be affected. It is...

Astra Linux – Vulnerability in Tomcat9

There is an input validation vulnerability in Apache Tomcat. Versions of Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81, and from 8.5.0 through 8.5.93 did not properly parse HTTP trailer headers. A specially crafted, invalid trailer header...

Astra Linux – Vulnerability in Tomcat9

Improper resource shutdown or release vulnerabilities in Apache Tomcat. If an error occurs including exceeding limits during the processing of a multipart upload, temporary copies of the uploaded parts that were written to disk are not deleted immediately but are left for the garbage collection...

Astra Linux – Vulnerability in Tomcat9

Improper resource shutdown or release vulnerabilities in Apache Tomcat made Tomcat vulnerable to reset attacks. This issue affects Apache Tomcat versions from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43, and from 9.0.0.M1 through 9.0.107. Older, end-of-life versions may also be...

Astra Linux – Vulnerability in Tomcat9

The “Time-of-check Time-of-use” TOCTOU race condition vulnerability during JSP compilation in Apache Tomcat allows for a race condition on case-insensitive file systems when the default servlet is enabled for writing not in the default configuration. This issue affects Apache Tomcat versions from...

Astra Linux – Vulnerability in Tomcat9

If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26, or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers by setting rejectIllegalHeader to false the default for 8.5.x only, Tomcat would not reject requests containing an invalid Content-Length header. This...

Astra Linux – Vulnerability in Tomcat9

When responding to new H2C connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, and 8.5.0 to 8.5.61 may duplicate request headers and a limited amount of request body from one request to another. This means that user A and user B may both see the results of user A’...

Astra Linux – Vulnerability in Tomcat9

There is a vulnerability related to improper input validation in Apache Tomcat. In versions of Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82, and from 8.5.0 through 8.5.95, HTTP trailer headers were not parsed correctly. A trailer header th...

RHEL 9 : tomcat (RHSA-2026:26323)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26323 advisory. Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages JSP technologies. Security Fixes: tomcat: Apache Tomcat: Certificate...

ROS-20260605-73-0028

The vulnerability in Tomcat is related to manipulating an unknown input, resulting in a time mismatch. Exploiting this vulnerability can allow an attacker who operates remotely to gain unauthorized access to protected information...

ROS-20260605-73-0030

The vulnerability in Tomcat11 is related to manipulating an unknown input, resulting in a time mismatch. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

Astra Linux - уязвимость в tomcat9

CLIENTCERT authentication does not fail as expected in some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: versions from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, and from 9.0.92 through 9.0.116. Users are recommended to...