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

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache Tomcat (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache Tomcat.
2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

1. Published upstream

   Aug 25, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Aug 25, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Aug 25, 2026

Sources and claim methodology

• Source referencelists.apache.org

Related CVEs

• Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access controlSame apache software foundation/apache tomcat package
• Apache Tomcat: Servlet role references can bypass declarative role constraintsSame apache software foundation/apache tomcat package
• Apache Tomcat: Redirect after FORM auth may bypass method specific constraintsSame apache software foundation/apache tomcat package
• Apache Tomcat: Principal lookup can fail open in some casesSame apache software foundation/apache tomcat package
• Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is resetSame apache software foundation/apache tomcat package
• Apache Tomcat: Authenticated WebSocket session survives end of HTTP sessionSame apache software foundation/apache tomcat package