CVE-2026-32990: CWE-20 Improper Input Validation in Apache Software Foundation Apache Tomcat
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.
AI Analysis
Technical Summary
This vulnerability in Apache Tomcat arises from improper input validation stemming from an incomplete remediation of CVE-2025-66614. It affects multiple recent versions across the 9.x, 10.x, and 11.x branches. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity level. It can be exploited remotely without authentication or user interaction and may lead to limited confidentiality impact. The Apache Software Foundation has addressed the issue in versions 11.0.20, 10.1.53, and 9.0.116, and users are recommended to upgrade accordingly.
Potential Impact
The vulnerability allows remote attackers to exploit improper input validation, potentially leading to limited confidentiality impact. There is no indication of integrity or availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat installations to versions 11.0.20, 10.1.53, or 9.0.116, which contain the official fix for this vulnerability. Patch status is confirmed by the vendor's recommended upgrade versions. No additional mitigation steps are specified.
CVE-2026-32990: CWE-20 Improper Input Validation in Apache Software Foundation Apache Tomcat
Description
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.
CVSS v3.1
Score 5.3medium
Affected software
pkg:maven/org.apache.tomcat/tomcatRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Tomcat arises from improper input validation stemming from an incomplete remediation of CVE-2025-66614. It affects multiple recent versions across the 9.x, 10.x, and 11.x branches. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity level. It can be exploited remotely without authentication or user interaction and may lead to limited confidentiality impact. The Apache Software Foundation has addressed the issue in versions 11.0.20, 10.1.53, and 9.0.116, and users are recommended to upgrade accordingly.
Potential Impact
The vulnerability allows remote attackers to exploit improper input validation, potentially leading to limited confidentiality impact. There is no indication of integrity or availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat installations to versions 11.0.20, 10.1.53, or 9.0.116, which contain the official fix for this vulnerability. Patch status is confirmed by the vendor's recommended upgrade versions. No additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-03-17T13:55:48.216Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d7ff941cc7ad14da10e9d5
Added to database: 04/09/2026, 19:35:48 UTC
Last enriched: 04/17/2026, 12:17:39 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 212
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