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CVE-2026-86247 Apache Tomcat Native: Client certificate requirements can be down-graded

🗓️ 23 Sep 2026 12:31:53Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Race condition in Apache Tomcat Native allows client certificate verification downgrade.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-86247
23 Sep 202612:31
cve
debiancve
Debian CVE
CVE-2026-86247
23 Sep 202612:31
debiancve
euvd
EUVD
EUVD-2026-85270
23 Sep 202612:31
euvd
nvd
NVD
CVE-2026-86247
23 Sep 202613:17
nvd
osv
OSV
DEBIAN-CVE-2026-86247
23 Sep 202613:17
osv
tomcat
Apache Tomcat
Fixed in Apache Tomcat Native Connector 2.0.16 / 1.3.9
23 Sep 202612:24
tomcat
vulnrichment
Vulnrichment
CVE-2026-86247 Apache Tomcat Native: Client certificate requirements can be down-graded
23 Sep 202612:31
vulnrichment
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Tomcat Native",
    "versions": [
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThanOrEqual": "2.0.15",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "1.3.0",
        "lessThanOrEqual": "1.3.8",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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