CVE-2026-86246

critical · 9.1

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.

9.1

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-09-23

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-1188

References

https://lists.apache.org/thread/dgyvfwb24nbk45ptvlhdyhdhl5o7k5ol
http://www.openwall.com/lists/oss-security/2026/09/23/32

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-86246