ALAS2023-2026-1946: Security update for 8 packages

ALAS2023-2026-1946, released July 20, 2026, fixes 8 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0409

90th percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 1
                                High 4
                                Routine 3

Fixed package versions

Product	Release	Fixed in
tomcat10	amzn 2023	1:10.1.57-1.amzn2023.0.1
tomcat10-admin-webapps	amzn 2023	1:10.1.57-1.amzn2023.0.1
tomcat10-docs-webapp	amzn 2023	1:10.1.57-1.amzn2023.0.1
tomcat10-el-5.0-api	amzn 2023	1:10.1.57-1.amzn2023.0.1
tomcat10-jsp-3.1-api	amzn 2023	1:10.1.57-1.amzn2023.0.1
tomcat10-lib	amzn 2023	1:10.1.57-1.amzn2023.0.1
tomcat10-servlet-6.0-api	amzn 2023	1:10.1.57-1.amzn2023.0.1
tomcat10-webapps	amzn 2023	1:10.1.57-1.amzn2023.0.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-59084	tomcat11: Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the...	9.1	0.0051	None reported
High	CVE-2026-53404	jws6-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first c...	7.3	0.0070	None reported
High	CVE-2026-55276	jws7-tomcat: Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty author...	9.1	0.0061	None reported
High	CVE-2026-53434	jws7-tomcat: Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based conn...	9.1	0.0059	None reported
High	CVE-2026-59083	jws7-tomcat: Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security cons...	9.1	0.0052	None reported
Routine	CVE-2026-50229	tomcat11: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess examp...	6.1	0.0409	None reported
Routine	CVE-2026-55956	jws6-tomcat: Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet...	6.5	0.0070	None reported
Routine	CVE-2026-55955	tomcat11: Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in t...	6.5	0.0044	None reported

Also fixes CVE-2026-59084

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
RHSA-2026:68660
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on RHEL 9
ALSA-2026:68651
tomcat9, tomcat9-admin-webapps, tomcat9-docs-webapp and 5 more on almalinux 10
ALSA-2026:68660
tomcat, tomcat-admin-webapps, tomcat-docs-webapp and 5 more on almalinux 9
ALAS2023-2026-1945
tomcat9, tomcat9-admin-webapps, tomcat9-docs-webapp and 5 more on amzn 2023
RLSA-2026:68677
tomcat on rocky 8

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-1946.html

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