Red Hat Security Advisory: tomcat security update
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) 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.
AI Analysis
Technical Summary
Apache Tomcat, a servlet container for Java Servlet and JSP technologies, has two security vulnerabilities involving the EncryptInterceptor. CVE-2026-29146 is an information disclosure vulnerability via a padding oracle attack, and CVE-2026-34486 is a missing encryption of sensitive data due to an EncryptInterceptor bypass. These vulnerabilities affect Red Hat Enterprise Linux 9.6 Extended Update Support Tomcat packages. Red Hat has released updated Tomcat packages (version 9.0.87-4.el9_6) to remediate these issues as detailed in advisory RHSA-2026:36877.
Potential Impact
The vulnerabilities allow potential unauthorized disclosure of sensitive information through a padding oracle attack and failure to encrypt sensitive data properly due to bypassing the EncryptInterceptor. This could compromise confidentiality of data handled by affected Tomcat instances. No known exploits in the wild have been reported. The security impact is rated as Important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Tomcat packages (version 9.0.87-4.el9_6) for Red Hat Enterprise Linux 9.6 Extended Update Support to address these vulnerabilities. Users should apply these official updates promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigations are specified beyond applying the vendor-provided patch.
Red Hat Security Advisory: tomcat security update
Description
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Apache Tomcat, a servlet container for Java Servlet and JSP technologies, has two security vulnerabilities involving the EncryptInterceptor. CVE-2026-29146 is an information disclosure vulnerability via a padding oracle attack, and CVE-2026-34486 is a missing encryption of sensitive data due to an EncryptInterceptor bypass. These vulnerabilities affect Red Hat Enterprise Linux 9.6 Extended Update Support Tomcat packages. Red Hat has released updated Tomcat packages (version 9.0.87-4.el9_6) to remediate these issues as detailed in advisory RHSA-2026:36877.
Potential Impact
The vulnerabilities allow potential unauthorized disclosure of sensitive information through a padding oracle attack and failure to encrypt sensitive data properly due to bypassing the EncryptInterceptor. This could compromise confidentiality of data handled by affected Tomcat instances. No known exploits in the wild have been reported. The security impact is rated as Important by Red Hat.
Mitigation Recommendations
Red Hat has released updated Tomcat packages (version 9.0.87-4.el9_6) for Red Hat Enterprise Linux 9.6 Extended Update Support to address these vulnerabilities. Users should apply these official updates promptly following Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigations are specified beyond applying the vendor-provided patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:36877
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-34486"]
- Cvss Version
- null
Threat ID: 6a4f6c1068715ace4315374b
Added to database: 07/09/2026, 09:38:24 UTC
Last enriched: 08/04/2026, 15:22:31 UTC
Last updated: 08/23/2026, 22:52:09 UTC
Views: 83
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