The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:68680 advisory.

    Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

    Security Fix(es):

    * tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)

    * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)

    * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during     WebSocket authentication. (CVE-2026-42498)

    * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)

    * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)

    * tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration     (CVE-2026-55957)

    * tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve     (CVE-2026-59083)

    * tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure     configurations (CVE-2026-59084)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:68679 advisory.

    Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

    Security Fix(es):

    * Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix     (CVE-2026-32990)

    * tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)

    * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)

    * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during     WebSocket authentication. (CVE-2026-42498)

    * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)

    * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)

    * tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration     (CVE-2026-55957)

    * tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve     (CVE-2026-59083)

    * tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure     configurations (CVE-2026-59084)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of tomcat installed on the remote host is prior to 9.0.102-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2TOMCAT9-2025-016 advisory.

    Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information     disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache     Tomcat.

    This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1 through 10.1.34, from     9.0.0.M1 through 9.0.98.

    If all of the following were true, a malicious user was able to view       security sensitive files and/or     inject content into those files:- writes enabled for the default servlet (disabled by default)- support     for partial PUT (enabled by default)- a target URL for security sensitive uploads that was a sub-directory     of a target URL for public uploads- attacker knowledge of the names of security sensitive files being     uploaded- the security sensitive files also being uploaded via partial PUT

    If all of the following were true, a malicious user was able to       perform remote code execution:-     writes enabled for the default servlet (disabled by default)- support for partial PUT (enabled by     default)- application was using Tomcat's file based session persistence with the default storage location-     application included a library that may be leveraged in a deserialization attack

    Users are recommended to upgrade to version 11.0.3, 10.1.35, 9.0.99 or later, which fixes the issue.

    More justification and the patch links are available for all versions here:[1]     https://tomcat.apache.org/security-11.html[2] https://tomcat.apache.org/security-10.html[3]     https://tomcat.apache.org/security-9.html (CVE-2025-24813)

    Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured     to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct     password.

    This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from     9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.

    Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.
    (CVE-2026-55957)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
346918	RHEL 8 : tomcat (RHSA-2026:68680)	Nessus	Red Hat Local Security Checks	2026/9/17	2026/9/17	critical
346928	RHEL 9 : tomcat (RHSA-2026:68679)	Nessus	Red Hat Local Security Checks	2026/9/17	2026/9/17	medium
233706	Amazon Linux 2 : tomcat, --advisory ALAS2TOMCAT9-2025-016 (ALASTOMCAT9-2025-016)	Nessus	Amazon Linux Local Security Checks	2025/4/1	2026/7/16	critical

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