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Product · Apache Software Foundation

Apache Tomcat

141 known vulnerabilities.

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  • Medium 6.1
    CVE-2026-50229 Public exploit

    Apache Tomcat: XSS in number guess example

    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 …

  • Medium 6.1
    CVE-2026-25854 Public exploit

    Apache Tomcat: Occasionally open redirect

    Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, …

  • Medium 6.5
    CVE-2026-24733 Public exploit

    Apache Tomcat: Security constraint bypass with HTTP/0.9

    Improper Input Validation vulnerability in Apache Tomcat. Tomcat did not limit HTTP/0.9 requests to the GET method. If a security constraint was configured to allow HEAD requests to a URI but deny GET requests, the user could bypass that constraint on GET req…

  • Medium 6.5
    CVE-2025-55668 Public exploit

    Apache Tomcat: session fixation via rewrite valve

    Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended …

  • Medium 6.1
    CVE-2024-52318 Public exploit

    Apache Tomcat: Incorrect JSP tag recycling leads to XSS

    Incorrect object recycling and reuse vulnerability in Apache Tomcat. This issue affects Apache Tomcat: 11.0.0, 10.1.31, 9.0.96. Users are recommended to upgrade to version 11.0.1, 10.1.32 or 9.0.97, which fixes the issue.

  • Medium 6.5
    CVE-2024-52317 Public exploit

    Apache Tomcat: Request/response mix-up with HTTP/2

    Incorrect object re-cycling and re-use vulnerability in Apache Tomcat. Incorrect recycling of the request and response used by HTTP/2 requests could lead to request and/or response mix-up between users. This issue affects Apache Tomcat: from 11.0.0-M23 throug…

  • Medium 5.3
    CVE-2024-21733 Public exploit EPSS 14%

    Apache Tomcat: Leaking of unrelated request bodies in default error page

    Generation of Error Message Containing Sensitive Information vulnerability in Apache Tomcat.This issue affects Apache Tomcat: from 8.5.7 through 8.5.63, from 9.0.0-M11 through 9.0.43. Other, EOL versions may also be affected. Users are recommended to upgrade …

  • Medium 6.1
    CVE-2023-41080 Public exploit

    Apache Tomcat: Open redirect with FORM authentication

    URL Redirection to Untrusted Site ('Open Redirect') vulnerability in FORM authentication feature Apache Tomcat.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.0.12, from 9.0.0-M1 through 9.0.79 and from 8.5.0 thr…

  • Medium 4.3
    CVE-2018-11784 Public exploit EPSS 98%

    Apache Tomcat Open Redirect vulnerability

    When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the user requested '/foo') a specially crafted URL could be used to cause the redi…

  • Medium 5.9
    CVE-2018-1304 Public exploit EPSS 17%

    Apache Tomcat unauthorized access vulnerability

    The URL pattern of "" (the empty string) which exactly maps to the context root was not correctly handled in Apache Tomcat 9.0.0.M1 to 9.0.4, 8.5.0 to 8.5.27, 8.0.0.RC1 to 8.0.49 and 7.0.0 to 7.0.84 when used as part of a security constraint definition. This …

  • Medium 6.5
    CVE-2018-1305 Public exploit EPSS 14%

    Apache Tomcat information exposure vulnerability

    Security constraints defined by annotations of Servlets in Apache Tomcat 9.0.0.M1 to 9.0.4, 8.5.0 to 8.5.27, 8.0.0.RC1 to 8.0.49 and 7.0.0 to 7.0.84 were only applied once a Servlet had been loaded. Because security constraints defined in this way apply to th…