Insecure Default Initialization of Resource in Apache Tomcat Native - CVE-2026-86246

 

Insecure Default Initialization of Resource in Apache Tomcat Native - CVE-2026-86246

Published: September 24, 2026


Vulnerability identifier: #VU151965
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86246
CWE-ID: CWE-1188
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to weaken TLS connection security.

The vulnerability exists due to insecure default configuration in Apache Tomcat Native's OpenSSL option configuration when establishing TLS connections. A remote attacker can exploit the insecurely enabled OpenSSL options to weaken TLS connection security.


Affected software

Apache Tomcat Native

How to mitigate CVE-2026-86246

Install security update from vendor's website.

Apache Tomcat Native - addressed in versions 1.3.9, 2.0.16

External References

Related Security Bulletins