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9.8Critical

CVE-2026-65637Apache Tomcat: HTTP/2 no-authority bypass of strict SNI validation - CVE-2026-32990 fix incomplete

Apache Software Foundation Apache Tomcat Published: (2 months ago)

Description

Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. 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. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

Weakness (CWE): CWE-20

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Apache Software Foundation Apache Tomcat 11.0.20 – ≤ 11.0.24, 10.1.53 – ≤ 10.1.57, 9.0.115 – ≤ 9.0.120
apache tomcat 9.0.115 – < 9.0.121

References and patches

CPE matches (NVD) (3)
  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 9.0.115 < 9.0.121
  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 10.1.53 < 10.1.58
  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 11.0.20 < 11.0.25

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