CVE-2026-50229
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat.
Does this matter?
Lower severity and a low EPSS score (4.09%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 4.09% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-80
- Affected
- apache/tomcat
- Source
- security@apache.org
References
- https://lists.apache.org/thread/wlt2no8bw45zl1w8byop4zfqphldf5j0Vendor Advisory, Mailing List
- http://www.openwall.com/lists/oss-security/2026/06/29/20Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.