CVE-2026-86248

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 0.39%
EPSS Percentile: 30.69%
CISA KEV: Not listed

Description

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.25, from 10.1.22 through 10.1.59, from 9.0.92 through 9.0.121. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: security@apache.org
Published: 23-Sep-2026 19:17
Last Modified: 24-Sep-2026 00:58
EPSS Date: 2026-10-11
CWE: CWE-287

CVSS Vector


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

References

security@apache.org

Last enrichment sync: 12-Oct-2026 04:18
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

CVE-2026-78437, CVE-2026-78383, CVE-2026-77791, CVE-2026-79677, CVE-2026-76183, CVE-2026-75973, CVE-2026-86248, CVE-2026-73581 (Apache Tomcat), CVE-2026-18163, CVE-2026-18162, CVE-2026-18169 CVE-2026-18177, Weekly Security Recap: Exploited Citrix NetScaler Flaw and Dozens of Vulnerabilities

CVE (135)

Vendors (1)

Products (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.