Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.
CVSS Details
- CVSS 3.1 Base Score: 7.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade tomcat-docs-webappUpgrade tomcatUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-libUpgrade tomcat-jsvcUpgrade tomcat-webappsUpgrade tomcat-el-3.0-apiUpgrade tomcat-admin-webapps | Jun 9, 2026 | Jun 9, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 11.0.22Upgrade Apache Tomcat to 9.0.118Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 10.1.55 | May 12, 2026 | May 12, 2026 |
| Debian | — | Upgrade tomcat11Upgrade tomcat10Upgrade tomcat9 | May 14, 2026 | May 14, 2026 |
| Redhat_linux | — | Upgrade tomcat-servlet-4.0-apiUpgrade tomcat9Upgrade tomcat-jsp-3.1-apiUpgrade tomcat9-libUpgrade jws7-tomcat-native-debuginfoUpgrade tomcatUpgrade jws7-tomcatUpgrade jws7-jboss-loggingUpgrade jws7-tomcat-admin-webappsUpgrade jws7-ecjUpgrade jws7-tomcat-el-5.0-apiUpgrade jws6-tomcat-javadocUpgrade tomcat9-jsp-2.3-apiUpgrade jws7-tomcat-servlet-6.0-apiUpgrade jws7-tomcat-webappsUpgrade jws6-tomcat-libUpgrade jws7-tomcat-vaultUpgrade jws6-tomcat-docs-webappUpgrade jws6-tomcat-servlet-6.0-apiNo solution existsUpgrade tomcat-el-5.0-apiUpgrade tomcat9-servlet-4.0-apiUpgrade jws6-tomcat-admin-webappsUpgrade tomcat9-admin-webappsUpgrade jws7-tomcat-libUpgrade jws6-tomcatUpgrade jws7-runtimeUpgrade jws6-tomcat-el-5.0-apiUpgrade jws7-tomcat-javadocUpgrade tomcat-jsp-2.3-apiUpgrade jws7-tomcat-nativeUpgrade tomcat9-el-3.0-apiUpgrade tomcat-webappsUpgrade tomcat-libUpgrade jws7-buildUpgrade tomcat-servlet-6.0-apiUpgrade tomcat9-webappsUpgrade jws6-tomcat-selinuxUpgrade jws6-tomcat-webappsUpgrade jws7-tomcat-docs-webappUpgrade jws7-tomcat-jsp-3.1-apiUpgrade jws7-mod_cluster-tomcatUpgrade jws7-javapackages-toolsUpgrade jws6-tomcat-jsp-3.1-apiUpgrade tomcat9-docs-webappUpgrade jws7-tomcat-vault-javadocUpgrade tomcat-el-3.0-apiUpgrade jws7-tomcat-selinuxUpgrade jws7-javapackages-filesystemUpgrade tomcat-admin-webappsUpgrade tomcat-docs-webappUpgrade jws7-python3-javapackagesUpgrade jws7-mod_cluster | Jul 17, 2026 | May 12, 2026 |
| Ubuntu | — | Upgrade libtomcat10-embed-java (Ubuntu Pro)Upgrade libtomcat10-javaUpgrade libtomcat9-embed-java (Ubuntu Pro)Upgrade tomcat9 (Ubuntu Pro)Upgrade libtomcat9-java (Ubuntu Pro)Upgrade libtomcat11-java (Ubuntu Pro)Upgrade libtomcat11-embed-java (Ubuntu Pro)Upgrade tomcat11 (Ubuntu Pro)Upgrade libtomcat10-embed-javaUpgrade libtomcat10-java (Ubuntu Pro)Upgrade tomcat10 (Ubuntu Pro)Upgrade libtomcat9-javaUpgrade tomcat10 | Jun 16, 2026 | Jun 10, 2026 |
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