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CVE-2026-34500 Details

Description

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://www.openwall.com/lists/oss-security/2026/04/09/29	CVE	Mailing ListThird Party Advisory
https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	CISA-ADP

Affected Products

Product	Versions
apache tomcat	>= 9.0.92, < 9.0.117 >= 10.1.22, < 10.1.54 >= 11.0.1, < 11.0.21 11.0.0 milestone14 11.0.0 milestone15
CPE cpe:2.3:a:apache:tomcat:::::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone14:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone15:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone16:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone17:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone18:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone19:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone20:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone21:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone22:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone23:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone24:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone25:::::: cpe:2.3:a:apache:tomcat:11.0.0:milestone26:::::: Remediation No remediation found in references.

Product

Versions

apache tomcat

>= 9.0.92, < 9.0.117

>= 10.1.22, < 10.1.54

>= 11.0.1, < 11.0.21

11.0.0 milestone14

11.0.0 milestone15

CPE

cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone17:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone21:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone22:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone23:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone24:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone25:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:11.0.0:milestone26:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 14, 2026	Initial Analysis	[email protected]
Apr 10, 2026	CVE Modified	CISA-ADP
Apr 10, 2026	CVE Modified	CVE
Apr 9, 2026	New CVE Received	[email protected]