# Apache Tomcat Native vulnerabilities

Source: https://junglewise.ai/threats/technologies/apache-tomcat-native  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/apache-tomcat-native.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Apache Tomcat Native: 0 in the last 7 days and 3 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86247, was published on 23 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before. 0 critical against 1.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 5 (2 critical, 0 exploited in the wild)

## About Apache Tomcat Native

Native library for Apache Tomcat providing JNI bindings for improved performance.

## Latest Apache Tomcat Native vulnerabilities

- [CVE-2026-86247: Apache Tomcat Native race condition in client certificate verification](https://junglewise.ai/threats/cve-2026-86247-race-condition-within-a-thread-vulnerability-in-apache-tomcat) (high, CVSS 7.4, published 23 Sep 2026)
- [CVE-2026-86246: Apache Tomcat Native insecure default OpenSSL options](https://junglewise.ai/threats/cve-2026-86246-initialization-of-a-resource-with-an-insecure-default) (critical, CVSS 9.1, published 23 Sep 2026)
- [CVE-2026-86243: Apache Tomcat Native buffer over-read in TLS handshake](https://junglewise.ai/threats/cve-2026-86243-buffer-over-read-vulnerability-in-apache-tomcat-native-during-the) (high, CVSS 7.5, published 23 Sep 2026)
- [CVE-2026-29145: Apache Tomcat improper authentication in CLIENT_CERT validation](https://junglewise.ai/threats/cve-2026-29145-apache-tomcat-improper-authentication-in-client-cert-validation) (critical, CVSS 9.1, published 9 Apr 2026)
- [CVE-2026-24734: Apache Tomcat certificate revocation bypass in OCSP validation](https://junglewise.ai/threats/cve-2026-24734-apache-tomcat-certificate-revocation-bypass-in-ocsp-validation) (high, CVSS 7.5, published 17 Feb 2026)

## Most severe Apache Tomcat Native vulnerabilities

- [CVE-2026-29145: Apache Tomcat improper authentication in CLIENT_CERT validation](https://junglewise.ai/threats/cve-2026-29145-apache-tomcat-improper-authentication-in-client-cert-validation) (critical, CVSS 9.1, published 9 Apr 2026)
- [CVE-2026-86246: Apache Tomcat Native insecure default OpenSSL options](https://junglewise.ai/threats/cve-2026-86246-initialization-of-a-resource-with-an-insecure-default) (critical, CVSS 9.1, published 23 Sep 2026)
- [CVE-2026-24734: Apache Tomcat certificate revocation bypass in OCSP validation](https://junglewise.ai/threats/cve-2026-24734-apache-tomcat-certificate-revocation-bypass-in-ocsp-validation) (high, CVSS 7.5, published 17 Feb 2026)
- [CVE-2026-86243: Apache Tomcat Native buffer over-read in TLS handshake](https://junglewise.ai/threats/cve-2026-86243-buffer-over-read-vulnerability-in-apache-tomcat-native-during-the) (high, CVSS 7.5, published 23 Sep 2026)
- [CVE-2026-86247: Apache Tomcat Native race condition in client certificate verification](https://junglewise.ai/threats/cve-2026-86247-race-condition-within-a-thread-vulnerability-in-apache-tomcat) (high, CVSS 7.4, published 23 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities in the four before. 0 critical against 1.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 3 | 1 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Apache technologies

- [Apache Airflow](https://junglewise.ai/threats/technologies/airflow): 95 vulnerabilities
- [Apache Camel](https://junglewise.ai/threats/technologies/camel): 87 vulnerabilities
- [Apache Tomcat](https://junglewise.ai/threats/technologies/tomcat): 87 vulnerabilities
- [Apache Thrift](https://junglewise.ai/threats/technologies/thrift): 77 vulnerabilities
- [Apache Ofbiz](https://junglewise.ai/threats/technologies/ofbiz): 67 vulnerabilities
- [Apache HTTP Server](https://junglewise.ai/threats/technologies/http-server): 62 vulnerabilities
- [Apache Traffic Server](https://junglewise.ai/threats/technologies/traffic-server): 55 vulnerabilities
- [Apache Brpc](https://junglewise.ai/threats/technologies/brpc): 36 vulnerabilities
- [Apache Roller](https://junglewise.ai/threats/technologies/roller): 30 vulnerabilities
- [Apache CloudStack](https://junglewise.ai/threats/technologies/cloudstack): 28 vulnerabilities
- [Apache ActiveMQ](https://junglewise.ai/threats/technologies/activemq): 27 vulnerabilities
- [Apache Apisix](https://junglewise.ai/threats/technologies/apisix): 27 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Apache Tomcat Native vulnerabilities", https://junglewise.ai/threats/technologies/apache-tomcat-native, 12 November 2026.