Security Bulletin: Vulnerability in Netty affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerability in Netty has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. The vulnerability have been addressed. Refer to details for additional information. Vulnerability...

Atlassian Confluence < 9.2.26 / 9.3.x < 10.2.19 / 11.0.0 (CONFSERVER-104506)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-104506 advisory. - Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification ...

Atlassian Jira Service Management Data Center and Server 5.9.x < 10.3.25 / 10.4.x < 11.3.11 (JSDSERVER-16789)

The version of Atlassian Jira Service Management Data Center and Server Jira Service Desk running on the remote host is affected by a vulnerability as referenced in the JSDSERVER-16789 advisory. - Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through...

MITM (Man-in-the-Middle) io.netty:netty-handler Dependency in Crowd Data Center

This High severity MITM Man-in-the-Middle vulnerability was introduced in version 7.2.0 of Crowd Data Center. This MITM Man-in-the-Middle vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N allows an unauthenticated attacker...

MITM (Man-in-the-Middle) io.netty:netty-handler Dependency in Jira Software Data Center

This High severity MITM Man-in-the-Middle vulnerability was introduced in versions 10.3.0 and 11.3.0 of Jira Software Data Center. This MITM Man-in-the-Middle vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N allows an...

Security Bulletin:Netty Versions 4.2.0.Final-4.2.16.Final, 4.1.136.Final: TLS Hostname Verification Disabled

Summary Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain non-extended X509TrustManager is used and Unsafe-based trust-manager wrapping is unavailable...

Improper Certificate Validation

Netty is vulnerable to Improper Certificate Validation. The vulnerability is due to disabled TLS hostname verification in the SslProvider.OPENSSL client path under specific configurations, which allows a man-in-the-middle attacker to present a certificate issued for a different hostname and...

io.netty/netty-handler: Netty: TLS hostname verification bypass via OpenSSL client path misconfiguration

A flaw was found in Netty io.netty:netty-handler. When using the SslProvider.OPENSSL client path with a plain X509TrustManager and without Unsafe-based trust-manager wrapping Java 25+, TLS hostname verification is disabled. This misconfiguration allows a man-in-the-middle attacker to present a...

io.netty/netty-handler: Netty: TLS hostname verification bypass via OpenSSL client path misconfiguration

A flaw was found in Netty io.netty:netty-handler. When using the SslProvider.OPENSSL client path with a plain X509TrustManager and without Unsafe-based trust-manager wrapping Java 25+, TLS hostname verification is disabled. This misconfiguration allows a man-in-the-middle attacker to present a...

BASM (Broken Authentication & Session Management) io.netty:netty-handler Dependency in Jira Service Management Data Center

This High severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This BASM Broken Authentication & Session Management...

io.netty/netty-handler: Netty: TLS hostname verification bypass via OpenSSL client path misconfiguration

A flaw was found in Netty io.netty:netty-handler. When using the SslProvider.OPENSSL client path with a plain X509TrustManager and without Unsafe-based trust-manager wrapping Java 25+, TLS hostname verification is disabled. This misconfiguration allows a man-in-the-middle attacker to present a...

CVE-2026-62243

Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain non-extended X509TrustManager is used and Unsafe-based trust-manager wrapping is unavailable Java 25...

CVE-2026-62243: Improper Validation of Certificate with Host Mismatch

Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain non-extended X509TrustManager is used and Unsafe-based trust-manager wrapping is unavailable Java 25...

CVE-2026-62243: Improper Validation of Certificate with Host Mismatch

Netty io.netty:netty-handler versions from 4.2.0.Final through 4.2.16.Final and versions through 4.1.136.Final disable TLS hostname verification on the SslProvider.OPENSSL client path when a plain non-extended X509TrustManager is used and Unsafe-based trust-manager wrapping is unavailable Java 25...