Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-65637

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
25/08/2026
Last modified:
27/08/2026

Description

Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990.<br /> <br /> <br /> <br /> This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120.<br /> <br /> <br /> <br /> Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* 9.0.115 (including) 9.0.121 (excluding)
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* 10.1.53 (including) 10.1.58 (excluding)
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* 11.0.20 (including) 11.0.25 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools