RLSA-2026:18537: tomcat security update

RLSA-2026:18537, released May 29, 2026, fixes 3 CVEs in tomcat (version 1:10.1.49-1.el10_2.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.6

Base score, 0 to 10

Highest EPSS

0.1034

95th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 1

Fixed package versions

Product	Release	Fixed in
tomcat	rocky 10	1:10.1.49-1.el10_2.1

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-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
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://errata.rockylinux.org/RLSA-2026:18537

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