CVE-2026-86246: CWE-1188 Initialization of a resource with an insecure default in Apache Software Foundation Apache Tomcat Native
CVE-2026-86246 is a vulnerability in Apache Tomcat Native where insecure default options are enabled during resource initialization. This includes insecure settings such as ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF, and ALLOW_NO_DHE_KEX. The issue affects Apache Tomcat Native versions from 2.0.0 through 2.0.15 and from 1.3.0 through 1.3.8. Upgrading to versions 2.0.16 or 1.3.9 addresses the vulnerability.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-86246 involves Apache Tomcat Native initializing a resource with insecure default options enabled. These insecure defaults include ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF, and ALLOW_NO_DHE_KEX, which may weaken the security posture of the affected software. The affected versions are Apache Tomcat Native 2.0.0 through 2.0.15 and 1.3.0 through 1.3.8. The issue is resolved by upgrading to Apache Tomcat Native versions 2.0.16 or 1.3.9.
Potential Impact
The impact of this vulnerability is that insecure default options in Apache Tomcat Native may expose the system to weakened security configurations. The exact security consequences are not detailed in the provided data, but the presence of insecure defaults can potentially allow less secure cryptographic negotiation and handling, increasing risk.
Mitigation Recommendations
Users should upgrade Apache Tomcat Native to version 2.0.16 or 1.3.9, which contain fixes for this vulnerability. No other mitigation steps are indicated in the provided information.
CVE-2026-86246: CWE-1188 Initialization of a resource with an insecure default in Apache Software Foundation Apache Tomcat Native
Description
CVE-2026-86246 is a vulnerability in Apache Tomcat Native where insecure default options are enabled during resource initialization. This includes insecure settings such as ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF, and ALLOW_NO_DHE_KEX. The issue affects Apache Tomcat Native versions from 2.0.0 through 2.0.15 and from 1.3.0 through 1.3.8. Upgrading to versions 2.0.16 or 1.3.9 addresses the vulnerability.
Affected software
Apache Software Foundation
Apache Tomcat Native
pkg:github/apache/tomcat-nativeRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-86246 involves Apache Tomcat Native initializing a resource with insecure default options enabled. These insecure defaults include ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF, and ALLOW_NO_DHE_KEX, which may weaken the security posture of the affected software. The affected versions are Apache Tomcat Native 2.0.0 through 2.0.15 and 1.3.0 through 1.3.8. The issue is resolved by upgrading to Apache Tomcat Native versions 2.0.16 or 1.3.9.
Potential Impact
The impact of this vulnerability is that insecure default options in Apache Tomcat Native may expose the system to weakened security configurations. The exact security consequences are not detailed in the provided data, but the presence of insecure defaults can potentially allow less secure cryptographic negotiation and handling, increasing risk.
Mitigation Recommendations
Users should upgrade Apache Tomcat Native to version 2.0.16 or 1.3.9, which contain fixes for this vulnerability. No other mitigation steps are indicated in the provided information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-09-06T09:45:10.745Z
- State
- PUBLISHED
Threat ID: 6ab3ca9bf7a7c54106c73e0c
Added to database: 09/23/2026, 12:48:27 UTC
Last enriched: 09/23/2026, 13:03:15 UTC
Last updated: 09/23/2026, 13:34:41 UTC
Views: 5
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