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

CVE-2026-65637

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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Tomcat	affected 11.0.20 through 11.0.24; affected 10.1.53 through 10.1.57; affected 9.0.115 through 9.0.120

CWE

CWE-20

References

https://lists.apache.org/thread/djog953z1ohsyt25bdvhfzbmsy22vgcj

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.