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
This advisory covers two security flaws in Apache Tomcat related to the EncryptInterceptor component. CVE-2026-29146 is an information disclosure vulnerability caused by a Padding Oracle attack vector, while CVE-2026-34486 involves missing encryption of sensitive data due to an EncryptInterceptor bypass. Both vulnerabilities could potentially expose sensitive information. Red Hat has released updated Tomcat packages for Red Hat Enterprise Linux 9.2 to address these issues.
Potential Impact
The vulnerabilities could lead to unauthorized disclosure of sensitive information through cryptographic weaknesses in the EncryptInterceptor. This may compromise confidentiality of data processed by affected Tomcat instances. The advisory classifies the impact as Important, indicating a high severity but no known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released updated Tomcat packages for Red Hat Enterprise Linux 9.2 that fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:36878 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official 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
This advisory covers two security flaws in Apache Tomcat related to the EncryptInterceptor component. CVE-2026-29146 is an information disclosure vulnerability caused by a Padding Oracle attack vector, while CVE-2026-34486 involves missing encryption of sensitive data due to an EncryptInterceptor bypass. Both vulnerabilities could potentially expose sensitive information. Red Hat has released updated Tomcat packages for Red Hat Enterprise Linux 9.2 to address these issues.
Potential Impact
The vulnerabilities could lead to unauthorized disclosure of sensitive information through cryptographic weaknesses in the EncryptInterceptor. This may compromise confidentiality of data processed by affected Tomcat instances. The advisory classifies the impact as Important, indicating a high severity but no known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released updated Tomcat packages for Red Hat Enterprise Linux 9.2 that fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:36878 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official 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-2026:36878
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-34486"]
- Cvss Version
- null
Threat ID: 6a4f6c1068715ace43153744
Added to database: 07/09/2026, 09:38:24 UTC
Last enriched: 08/04/2026, 15:22:12 UTC
Last updated: 08/23/2026, 22:52:09 UTC
Views: 94
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