Red Hat Security Advisory: tomcat security update
Two security vulnerabilities affecting Apache Tomcat in Red Hat Enterprise Linux 10.0 Extended Update Support have been addressed. The first is an information disclosure vulnerability via a Padding Oracle attack in the EncryptInterceptor component (CVE-2026-29146). The second involves missing encryption of sensitive data due to an EncryptInterceptor bypass (CVE-2026-34486). Red Hat has released updated packages to fix these issues. The update is rated as Important by Red Hat Product Security.
AI Analysis
Technical Summary
This advisory covers two vulnerabilities in Apache Tomcat related to the EncryptInterceptor component. CVE-2026-29146 is a Padding Oracle vulnerability that can lead to information disclosure. CVE-2026-34486 involves a bypass of the EncryptInterceptor, resulting in missing encryption of sensitive data. These vulnerabilities affect Red Hat Enterprise Linux 10.0 Extended Update Support versions of Tomcat. Red Hat has issued updated Tomcat packages (version 10.1.36-2.el10_0) that address these security issues. The advisory references Red Hat's errata RHSA-2026:36787 and provides links for applying the update.
Potential Impact
Successful exploitation of CVE-2026-29146 could allow an attacker to disclose sensitive information due to a Padding Oracle vulnerability in EncryptInterceptor. CVE-2026-34486 could result in sensitive data not being encrypted as expected due to an EncryptInterceptor bypass. Both vulnerabilities compromise the confidentiality of data handled by Apache Tomcat. The severity is rated as Important by Red Hat, indicating a high impact on affected systems.
Mitigation Recommendations
Red Hat has released official security updates for Apache Tomcat in Red Hat Enterprise Linux 10.0 Extended Update Support to address these vulnerabilities. Users should apply the updated packages (tomcat-10.1.36-2.el10_0) as described in Red Hat advisory RHSA-2026:36787 and the update instructions at https://access.redhat.com/articles/11258. Applying these updates mitigates the vulnerabilities. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: tomcat security update
Description
Two security vulnerabilities affecting Apache Tomcat in Red Hat Enterprise Linux 10.0 Extended Update Support have been addressed. The first is an information disclosure vulnerability via a Padding Oracle attack in the EncryptInterceptor component (CVE-2026-29146). The second involves missing encryption of sensitive data due to an EncryptInterceptor bypass (CVE-2026-34486). Red Hat has released updated packages to fix these issues. The update is rated as Important by Red Hat Product Security.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two vulnerabilities in Apache Tomcat related to the EncryptInterceptor component. CVE-2026-29146 is a Padding Oracle vulnerability that can lead to information disclosure. CVE-2026-34486 involves a bypass of the EncryptInterceptor, resulting in missing encryption of sensitive data. These vulnerabilities affect Red Hat Enterprise Linux 10.0 Extended Update Support versions of Tomcat. Red Hat has issued updated Tomcat packages (version 10.1.36-2.el10_0) that address these security issues. The advisory references Red Hat's errata RHSA-2026:36787 and provides links for applying the update.
Potential Impact
Successful exploitation of CVE-2026-29146 could allow an attacker to disclose sensitive information due to a Padding Oracle vulnerability in EncryptInterceptor. CVE-2026-34486 could result in sensitive data not being encrypted as expected due to an EncryptInterceptor bypass. Both vulnerabilities compromise the confidentiality of data handled by Apache Tomcat. The severity is rated as Important by Red Hat, indicating a high impact on affected systems.
Mitigation Recommendations
Red Hat has released official security updates for Apache Tomcat in Red Hat Enterprise Linux 10.0 Extended Update Support to address these vulnerabilities. Users should apply the updated packages (tomcat-10.1.36-2.el10_0) as described in Red Hat advisory RHSA-2026:36787 and the update instructions at https://access.redhat.com/articles/11258. Applying these updates mitigates the vulnerabilities. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:36787
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-34486"]
- Cvss Version
- null
Threat ID: 6a4f6c1068715ace43153770
Added to database: 07/09/2026, 09:38:24 UTC
Last enriched: 07/09/2026, 09:41:21 UTC
Last updated: 07/10/2026, 01:47:18 UTC
Views: 2
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