Apache Tomcat - HTTP/2 no-authority bypass of strict SNI validation

緊急 9.8CVE-2026-65637 · BIT-tomcat-2026-65637 · GHSA-f525-44xv-f2qj · 25/08/2026 公開 · 27/08/2026 更新

要点

CVE-2026-65637 は org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat:tomcat-coyote, tomcat (apache) に影響する深刻度「緊急」 (CVSS 9.8) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.75%（全脆弱性の 55.0% より高い）。
対処：10.1.59, 11.0.25, 9.0.121, 10.1.58 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
org.apache.tomcat.embed:tomcat-embed-core Maven	`≥ 10.1.53, < 10.1.59≥ 11.0.20, < 11.0.25≥ 9.0.115, < 9.0.121`	`10.1.5911.0.259.0.121`
org.apache.tomcat:tomcat-coyote Maven	`≥ 10.1.53, < 10.1.59≥ 11.0.20, < 11.0.25≥ 9.0.115, < 9.0.121`	`10.1.5911.0.259.0.121`
tomcat apache	`≥ 10.1.53, < 10.1.58≥ 11.0.20, < 11.0.25≥ 9.0.115, < 9.0.121`	`10.1.5811.0.259.0.121`

概要

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, 10.1.59 or 9.0.121, which fix the issue.

NVD の説明

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.