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CVE-2026-86246 Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure…
Description
Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF and ALLOW_NO_DHE_KEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fix the issue.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache Tomcat Native 2.0 | 2.0.0 → 2.0.15 | No fix stated |
| Apache Tomcat Native 1.3 | 1.3.0 → 1.3.8 | No fix stated |
Other CVEs of Apache Tomcat Native
The 8 CVEs of Apache Tomcat Native →
CVE-2026-86247
Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification…
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CVE-2026-86243
Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a…
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CVE-2026-29145
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in…
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CVE-2026-24734
Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat
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