Improper Input Validation in Apache Tomcat Affects Multiple Versions
CVE-2026-32990

5.3MEDIUM

Key Information:

Vendor

Apache
Status
Apache Tomcat
Vendor
CVE Published:
9 April 2026

What is CVE-2026-32990?

The vulnerability involves an improper input validation issue in Apache Tomcat, resulting from an incomplete fix of a prior vulnerability. This imperfection allows adversaries to potentially exploit the flaw, affecting users running versions 11.0.15 through 11.0.19, 10.1.50 through 10.1.52, and 9.0.113 through 9.0.115. Users are advised to upgrade to the latest versions (11.0.20, 10.1.53, or 9.0.116) to secure their systems against possible attacks.

Affected Version(s)

Apache Tomcat 11.0.15 <= 11.0.19

Apache Tomcat 10.1.50 <= 10.1.52

Apache Tomcat 9.0.113 <= 9.0.115

References

https://lists.apache.org/thread/1nl9zqft0ksqlhlkd3j4obyjz...
vendor-advisory

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

zhengg
.