RHSA-2026:67164: tomcat security update

RHSA-2026:67164, released June 29, 2026, fixes 7 CVEs in tomcat (version 10.1.49-1.el10_0). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0286

86th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 7
                                Routine 0

Fixed package versions

Product	Release	Fixed in
tomcat	RHEL 10	10.1.49-1.el10_0

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-55957	tomcat: Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authentic...	7.3	0.0286	None reported
High	CVE-2026-41293	jws6-tomcat: Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11...	9.8	0.0171	None reported
High	CVE-2026-43512	jws6-tomcat: DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects...	9.8	0.0133	None reported
High	CVE-2026-43515	jws6-tomcat: Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in...	9.1	0.0122	None reported
High	CVE-2026-42498	jws6-tomcat: Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache To...	7.3	0.0069	None reported
High	CVE-2026-43513	jws6-tomcat: Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomca...	7.5	0.0050	None reported
High	CVE-2026-32990	tomcat: Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614. This issue affec...	7.3	0.0031	None reported

Also fixes CVE-2026-55957

ALAS2023-2025-910
tomcat10, tomcat10-admin-webapps, tomcat10-docs-webapp and 5 more on amzn 2023
ALAS2023-2025-911
tomcat9, tomcat9-admin-webapps, tomcat9-docs-webapp and 5 more on amzn 2023
RHSA-2026:68677
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on RHEL 8
ALSA-2026:68677
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on almalinux 8
RHSA-2026:67163
tomcat9 on RHEL 10
RLSA-2026:68677
tomcat on rocky 8
ELSA-2026-68677
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on ol 8
RHSA-2026:18916
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on RHEL 9

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:67164

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