CVE & CISA-KEV Catalog

CVE-2026-34500

MEDIUM

6.5

CVSS v3

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.

CWE-287Improper Authentication

How to fix

Remediation Available

tomcat10Debian

Fixed in:10.1.55-1~deb12u1CVE-2026-34500

Fixed in:10.1.55-1~deb13u1CVE-2026-34500

Fixed in:10.1.54-1CVE-2026-34500

jws6-tomcatRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcatRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-admin-webappsRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-admin-webappsRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-docs-webappRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-docs-webappRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-el-5.0-apiRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-el-5.0-apiRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-javadocRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-javadocRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-jsp-3.1-apiRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-jsp-3.1-apiRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-libRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-libRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-selinuxRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-selinuxRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-servlet-6.0-apiRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-servlet-6.0-apiRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-webappsRed Hat / RHEL

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

jws6-tomcat-webappsRocky

Fixed in:0:10.1.49-13.redhat_00011.1.el10jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el8jwsRHSA-2026:20405

Fixed in:0:10.1.49-13.redhat_00011.1.el9jwsRHSA-2026:20405

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.47%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

Third-Party Advisory1

openwall.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-14.