Is CVE-2026-50229 in the CISA KEV catalog?

No. CVE-2026-50229 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-50229?

CVE-2026-50229 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2026-50229?

CVE-2026-50229 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-50229?

Upgrade tomcat11 on rhel 8 to main@noarch or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-50229

MEDIUM

6.1

CVSS v3

NVD

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.

CWE-80

How to fix

Remediation Available

tomcat11Red Hat / RHEL

Fixed in:main@noarchRHSA-2026:32960

Fixed in:main@srcRHSA-2026:32960

tomcat11Rocky

Fixed in:main@noarchRHSA-2026:32960

Fixed in:main@srcRHSA-2026:32960

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-30.