What is CVE-2026-32990?

CVE-2026-32990 is a medium-severity vulnerability in Apache Tomcat, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-04-09.

How severe is CVE-2026-32990?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Apache Tomcat

CVE-2026-32990

Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614. This issue affects Apache Tomcat: from 11.0.15 through 11.0.19, from 10.1.50 through 10.1.52, from 9.0.113 through 9.0.115. Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Apache Tomcat
Apache Software Foundation Tomcat — versions 11.0.15, 10.1.50, 9.0.113

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2026-32990?: CVE-2026-32990 is a medium-severity vulnerability in Apache Tomcat, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-04-09.
How severe is CVE-2026-32990?: Medium severity. CVSS v3 base score is 5.3 out of 10.