עברית

Vulnerability Intelligence

CVE-2026-86243

High 7.5

Published
Last modified
NVD status
Analyzed

Description

Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. 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 1.3.9 or 2.0.16, which fix the issue.

Affected products

apache: tomcat native

References2

Metrics

CVSS 3.1
7.5 HIGH Score source: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — exploit probability
1% percentile: 47 · as of 9 November 2026
CWE
CWE-126

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.