Red Hat Security Advisory: Red Hat JBoss Web Server 7.0.0 security release
Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library. This release of Red Hat JBoss Web Server 7.0.0 serves as a replacement for Red Hat JBoss Web Server 6.2.3. This release includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes that are linked to in the References section. Security fix(es): * tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) * tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515) * tomcat-catalina: Apache Tomcat: Denial of Service due to uncontrolled resource allocation (CVE-2026-41284) * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293) * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication (CVE-2026-42498) * tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512) * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513) * tomcat-coyote: Apache Tomcat: Information disclosure via AJP secret timing discrepancy (CVE-2026-43514) * tomcat-catalina: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass (CVE-2026-55956) * openssl.exe: OpenSSL TLS 1.3 server may choose unexpected key agreement group (CVE-2026-2673) 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
Red Hat JBoss Web Server is a certified set of components for hosting Java web applications, including Apache Tomcat and OpenSSL libraries. Multiple vulnerabilities have been identified in versions 6.2.3 and 6.2.4, including CVE-2026-2673 (OpenSSL TLS 1.3 server may choose unexpected key agreement group), CVE-2026-29146 and CVE-2026-34486 (Apache Tomcat EncryptInterceptor bypass and padding oracle information disclosure), CVE-2026-43512, CVE-2026-43513, CVE-2026-43514, CVE-2026-43515 (various authorization and authentication bypasses), CVE-2026-41284 (denial of service), and others affecting HTTP/2 header validation and WebSocket authentication. Red Hat has released updated versions 6.2.4 and 7.0.0 containing fixes for these issues.
Potential Impact
The vulnerabilities could allow attackers to bypass encryption, disclose sensitive information, bypass authentication and authorization controls, cause denial of service, and exploit improper handling of HTTP/2 and WebSocket protocols. These issues pose a high security risk to applications hosted on affected versions of Red Hat JBoss Web Server, potentially compromising confidentiality, integrity, and availability.
Mitigation Recommendations
Red Hat has released security updates in Red Hat JBoss Web Server versions 6.2.4 and 7.0.0 that address these vulnerabilities. Users should back up their existing installations and apply these updates promptly. The vendor advisory confirms these fixes and provides download links for the updated versions. No additional mitigation steps are indicated beyond applying the official updates.
Red Hat Security Advisory: Red Hat JBoss Web Server 7.0.0 security release
Description
Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library. This release of Red Hat JBoss Web Server 7.0.0 serves as a replacement for Red Hat JBoss Web Server 6.2.3. This release includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes that are linked to in the References section. Security fix(es): * tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass (CVE-2026-34486) * tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor (CVE-2026-29146) * tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515) * tomcat-catalina: Apache Tomcat: Denial of Service due to uncontrolled resource allocation (CVE-2026-41284) * tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293) * tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication (CVE-2026-42498) * tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512) * tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513) * tomcat-coyote: Apache Tomcat: Information disclosure via AJP secret timing discrepancy (CVE-2026-43514) * tomcat-catalina: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass (CVE-2026-55956) * openssl.exe: OpenSSL TLS 1.3 server may choose unexpected key agreement group (CVE-2026-2673) 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
Red Hat JBoss Web Server is a certified set of components for hosting Java web applications, including Apache Tomcat and OpenSSL libraries. Multiple vulnerabilities have been identified in versions 6.2.3 and 6.2.4, including CVE-2026-2673 (OpenSSL TLS 1.3 server may choose unexpected key agreement group), CVE-2026-29146 and CVE-2026-34486 (Apache Tomcat EncryptInterceptor bypass and padding oracle information disclosure), CVE-2026-43512, CVE-2026-43513, CVE-2026-43514, CVE-2026-43515 (various authorization and authentication bypasses), CVE-2026-41284 (denial of service), and others affecting HTTP/2 header validation and WebSocket authentication. Red Hat has released updated versions 6.2.4 and 7.0.0 containing fixes for these issues.
Potential Impact
The vulnerabilities could allow attackers to bypass encryption, disclose sensitive information, bypass authentication and authorization controls, cause denial of service, and exploit improper handling of HTTP/2 and WebSocket protocols. These issues pose a high security risk to applications hosted on affected versions of Red Hat JBoss Web Server, potentially compromising confidentiality, integrity, and availability.
Mitigation Recommendations
Red Hat has released security updates in Red Hat JBoss Web Server versions 6.2.4 and 7.0.0 that address these vulnerabilities. Users should back up their existing installations and apply these updates promptly. The vendor advisory confirms these fixes and provides download links for the updated versions. No additional mitigation steps are indicated beyond applying the official updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-2673
- Cve Count
- 1
Threat ID: 6a1ca153e29bf47b505e08f2
Added to database: 05/31/2026, 21:00:03 UTC
Last enriched: 08/07/2026, 17:04:18 UTC
Last updated: 09/14/2026, 16:15:36 UTC
Views: 122
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