CRITICALCVE-2026-41293Published Modified CNA apache
CVE-2026-41293: Apache Tomcat: HTTP/2 request headers not validated
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.
Metrics
- CVSS v3.1
- 9.8
- Severity
- CRITICAL
- Fixed in
- —
- Affected Products
- 1
Affected packages
- Apache Software Foundation / Apache Tomcat≤ 11.0.21 · ≤ 10.1.54 · ≤ 9.0.117 · ≤ 10.0.27 · ≤ 8.5.100
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences