OCTOBER 7, 2026
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Case File

CVE-2026-86246

CRITICAL · CVSS 9.1 EPSS 0.28%

Source: NVD + CISA KEV + EPSS · Published 2026-09-23 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

Apache Tomcat Native versions 2.0.0 to 2.0.15 and 1.3.0 to 1.3.8 are vulnerable due to the initialization of resources with insecure default settings, allowing options that compromise security, such as client renegotiation and weak key exchange. This vulnerability poses a critical risk, potentially enabling attackers to exploit these insecure configurations. Organizations using affected versions should prioritize upgrading to versions 2.0.16 or 1.3.9 to mitigate the risk.

CVE
CVE-2026-86246
Severity
CRITICAL
CVSS
9.1
EPSS
0.28%
Apache

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)