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	tomcat: Fixed improper neutralization of escape, meta, or control	9.6	0.1034	None reported
High	CVE-2025-46701	tomcat: Fixed refactor CGI servlet to access resources via WebResources (bsc#1243815).	7.3	0.0314	None reported
Routine	CVE-2025-55668	tomcat: ELSA-2026-18916: tomcat security update (IMPORTANT)	6.5	0.0095	None reported

Also fixes CVE-2025-55754

SUSE-SU-2026:20982-1
tomcat10 on sles 16.0
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
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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