Vulnerability Intelligence Report
Apache Tomcat: Fix for CVE-2026-34500 was incomplete. OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled
CVE-2026-86248
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-287 ↗CWE-287 Improper Authentication
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M14 <= 11.0.25 (affected), 10.1.22 <= 10.1.59 (affected), 9.0.92 <= 9.0.121 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apache Software Foundation · Vendor · USA |
| Reserved | 2026-09-06T10:25:16 |
| Published | 2026-09-23T11:29:35 |
| Last Updated | 2026-09-23T16:14:59 |
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