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CVE-2026-86243: tomcat native from 1.3.0 (inclusive), before 1.3.9 (exclusive), from 2.0.0 (inclusive), before 2.0.16 (exclusive); +1…
CVE-2026-86243. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00398 (percentile 0.31647), scored 2026-10-05.
Affected technology
tomcat native · from 1.3.0 (inclusive), before 1.3.9 (exclusive)
apache
tomcat native · from 2.0.0 (inclusive), before 2.0.16 (exclusive)
apache
Apache Tomcat Native · 2.0.0 through 2.0.15, 1.3.0 through 1.3.8
Apache Software Foundation
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
A malicious user can trigger a DoS via a JVM crash. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-126
- CCR priority
- 30.1 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00398 · percentile 0.31647 · 2026-10-05
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-06 14:01:54.004637+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-86243.html