vulnerability
Apache Tomcat: Low: HTTP/2 request headers not validated (CVE-2026-41293)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | May 12, 2026 | May 12, 2026 | May 17, 2026 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
May 12, 2026
Added
May 12, 2026
Modified
May 17, 2026
Description
Improper Input Validation vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27.
Older, end of support versions may also be affected.
Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Solutions
apache-tomcat-upgrade-10_1_55apache-tomcat-upgrade-11_0_22apache-tomcat-upgrade-9_0_118
Rapid7 Labs
2026 Global Threat Landscape Report
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