CVE-2026-86246

Summary

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 Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Tomcat Native2.0.0 <= 2.0.15affected
Apache Software FoundationApache Tomcat Native1.3.0 <= 1.3.8affected

Weaknesses

  • CWE-1188: CWE-1188 Initialization of a resource with an insecure default

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

CVE Program Container

Additional References

References