CVE-2026-50229
Medium
Description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Apache Tomcat
PublishedJun 29, 2026
First seenJun 29, 2026
Weakness typeCWE-80CWE-80
How to fix
Update
- apache tomcat9.0.119, 10.1.56, 11.0.23 or later
- org.apache.tomcat:tomcat11.0.23, 10.1.56, 9.0.119 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache tomcat | v ≤ 7.0.109, 8.5.0 ≤ v ≤ 8.5.100, 9.0.0 ≤ v < 9.0.119, 10.1.0 ≤ v < 10.1.56, 11.0.0 ≤ v < 11.0.23 | 9.0.119, 10.1.56, 11.0.23 |
| org.apache.tomcat:tomcatMaven | 11.0.0-M1 ≤ v < 11.0.23, 10.1.0-M1 ≤ v < 10.1.56, 9.0.0.M1 ≤ v < 9.0.119, 8.5.0 ≤ v ≤ 8.5.100, v ≤ 7.0.109 | 11.0.23, 10.1.56, 9.0.119 |
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