Red Hat Security Advisory: Red Hat JBoss Web Server 6.2.3 release and security update

Fixed packages 30

Vulnerabilities 7

• Critical 9.1
  CVE-2026-29145 Public exploit

  Apache Tomcat, Apache Tomcat Native: OCSP checks sometimes soft-fail even when soft-fail is disabled

  CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0…

  Apache Software Foundation Apache Tomcat Apache Tomcat Native thingsboard-tb-node Debian Ubuntu Alpine Wolfi Maven
  Apr 9, 2026
• High 7.5
  CVE-2026-24880 Public exploit

  Apache Tomcat: Request smuggling via invalid chunk extension

  Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. 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.M1 throug…

  Apache Software Foundation Apache Tomcat tomcat8 tomcat9 Debian Ubuntu Maven
  Apr 9, 2026
• High 7.5
  CVE-2026-29146

  Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default

  Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.0.0-M1 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.…

  Apache Software Foundation Apache Tomcat thingsboard-tb-node thingsboard-tb-mqtt-transport Debian Ubuntu Wolfi Maven
  Apr 9, 2026
• High 7.5
  CVE-2026-34483

  Apache Tomcat: Incomplete escaping of JSON access logs

  Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to…

  Apache Software Foundation Apache Tomcat thingsboard-tb-node thingsboard-tb-mqtt-transport Debian Ubuntu Wolfi Maven
  Apr 9, 2026
• High 7.5
  CVE-2026-34487

  Apache Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token

  Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1…

  Apache Software Foundation Apache Tomcat thingsboard-tb-node thingsboard-tb-mqtt-transport Debian Ubuntu Wolfi Maven
  Apr 9, 2026
• Medium 6.5
  CVE-2026-34500

  Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

  CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. …

  Apache Software Foundation Apache Tomcat thingsboard-tb-node thingsboard-tb-mqtt-transport Debian Ubuntu Wolfi Maven
  Apr 9, 2026
• 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, …

  Apache Software Foundation Apache Tomcat thingsboard-tb-node thingsboard-tb-mqtt-transport Debian Ubuntu Wolfi Maven
  Apr 9, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• article
  https://docs.redhat.com/en/documentation/red_hat_jboss_web_server/6.2/html/red_hat_jboss_web_server_6.2_service_pack_3_release_notes/index
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457020
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457037
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457038
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457039
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457040
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457043
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2457044
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_20405.json
• report
  https://access.redhat.com/security/cve/CVE-2026-24880
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-24880
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-24880
• article
  https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn
• report
  https://access.redhat.com/security/cve/CVE-2026-25854
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-25854
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-25854
• article
  https://lists.apache.org/thread/ghct3b6o74bp2vm7q875s1zh0dqrz3h0
• report
  https://access.redhat.com/security/cve/CVE-2026-29145
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-29145
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-29145
• article
  https://lists.apache.org/thread/yz5fxmhd2j43wgqykssdo7kltws57jfz
• report
  https://access.redhat.com/security/cve/CVE-2026-29146
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-29146
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-29146
• article
  https://lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w
• report
  https://access.redhat.com/security/cve/CVE-2026-34483
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-34483
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-34483
• article
  https://lists.apache.org/thread/j1w7304yonlr8vo1tkb5nfs7od1y228b
• report
  https://access.redhat.com/security/cve/CVE-2026-34487
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-34487
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-34487
• article
  https://lists.apache.org/thread/4xpkwolpkrj8v5xzp5nyovtlqp3y850h
• report
  https://access.redhat.com/security/cve/CVE-2026-34500
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-34500
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-34500
• article
  https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2