9.8

CVE-2026-41293

Medienbericht

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ Tomcat Version >= 8.5.0 <= 8.5.100
Apache ≫ Tomcat Version >= 9.0.0 < 9.0.118
Apache ≫ Tomcat Version >= 10.0.0 <= 10.0.27
Apache ≫ Tomcat Version >= 10.1.0 < 10.1.55
Apache ≫ Tomcat Version >= 11.0.0 < 11.0.22
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.56% 0.727
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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14.07.2026 11:11
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Media Report
22.06.2026 16:38
https://lists.apache.org/thread/qwg0q16z7xkb2qrr853wdll5531mvl1r
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