RHSA-2026:18916: Security update for 8 packages

RHSA-2026:18916, released May 27, 2026, fixes 7 CVEs across 8 products. 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

0.1034

95th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 6
                                Routine 1

Fixed package versions

Product	Release	Fixed in
tomcat	RHEL 9	1:9.0.110-2.el9_8
tomcat-admin-webapps	RHEL 9	1:9.0.110-2.el9_8
tomcat-docs-webapp	RHEL 9	1:9.0.110-2.el9_8
tomcat-el-3.0-api	RHEL 9	1:9.0.110-2.el9_8
tomcat-jsp-2.3-api	RHEL 9	1:9.0.110-2.el9_8
tomcat-lib	RHEL 9	1:9.0.110-2.el9_8
tomcat-servlet-4.0-api	RHEL 9	1:9.0.110-2.el9_8
tomcat-webapps	RHEL 9	1:9.0.110-2.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-55754	jws6-tomcat: Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did not escape A...	9.6	0.1034	None reported
High	CVE-2024-52316	tomcat: Unchecked Error Condition vulnerability in Apache Tomcat	9.8	0.0625	None reported
High	CVE-2025-46701	libtomcat10-embed-java: Improper Handling of Case Sensitivity vulnerability in Apache Tomcat's GCIservlet allows security constraint bypass o...	7.3	0.0314	None reported
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-2024-54677	tomcat: Uncontrolled Resource Consumption vulnerability in the examples web application provided with Apache Tomcat leads to...	8.6	0.0194	None reported
High	CVE-2025-61795	jws6-tomcat: Improper Resource Shutdown or Release vulnerability in Apache Tomcat. If an error occurred (including exceeding limit...	7.5	0.0125	None reported
Routine	CVE-2025-55668	jws6-tomcat: Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 t...	6.5	0.0095	None reported

Also fixes CVE-2025-55754

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
SUSE-SU-2026:20982-1
tomcat10 on sles 16.0
OPENSUSE-SU-2026:20444-1
tomcat10 on opensuse-leap 16.0
SUSE-SU-2026:20084-1
tomcat on sles 16.0
OPENSUSE-SU-2026:20034-1
tomcat on opensuse-leap 16.0
SUSE-SU-2025:21152-1
tomcat11 on sles 16.0

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:18916

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