Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-101296: A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism allowed attackers to authenticate without providing the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.26, from 10.1.0-M1 through 10.1.60, from 9.0.0.M1 through 9.0.122. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.
Fixed packages 10
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | tomcat | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-admin-webapps | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-docs-webapp | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-el-2.2-api | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-javadoc | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-jsp-2.2-api | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-jsvc | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-lib | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-servlet-3.0-api | 0:7.0.76-10.amzn2.0.20 |
| Amazon Linux · 2 | tomcat-webapps | 0:7.0.76-10.amzn2.0.20 |
Vulnerabilities 1
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High 8.1
Apache Tomcat: JNDIRealm bind credential validation fails open for non-GSSAPI SASL mechanisms
A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism allowed attackers to authenticate without providing the correct password. This issue affects Apach…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-101296.html