CVE-2026-42498
EUVD-2026-2951512.05.2026, 16:16
Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication 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 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| apache | tomcat | 7.0.0 ≤ 𝑥 ≤ 7.0.109 |
| apache | tomcat | 8.5.0 ≤ 𝑥 ≤ 8.5.100 |
| apache | tomcat | 9.0.0 ≤ 𝑥 < 9.0.118 |
| apache | tomcat | 10.1.0 ≤ 𝑥 < 10.1.55 |
| apache | tomcat | 11.0.0 ≤ 𝑥 < 11.0.22 |
𝑥
= Vulnerable software versions
openSUSE / SLES Releases
openSUSE Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tomcat10 |
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| tomcat10-admin-webapps |
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| tomcat10-el-5_0-api |
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| tomcat10-jsp-3_1-api |
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| tomcat10-lib |
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| tomcat10-servlet-6_0-api |
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| tomcat10-webapps |
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| tomcat11 |
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| tomcat11-admin-webapps |
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| tomcat11-el-6_0-api |
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| tomcat11-jsp-4_0-api |
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| tomcat11-lib |
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| tomcat11-servlet-6_1-api |
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| tomcat11-webapps |
|
Amazon Linux Releases
Amazon Package | |||
|---|---|---|---|
| tomcat10 |
| ||
| tomcat10-admin-webapps |
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| tomcat10-docs-webapp |
| ||
| tomcat10-el-5.0-api |
| ||
| tomcat10-jsp-3.1-api |
| ||
| tomcat10-lib |
| ||
| tomcat10-servlet-6.0-api |
| ||
| tomcat10-webapps |
| ||
| tomcat9 |
| ||
| tomcat9-admin-webapps |
| ||
| tomcat9-docs-webapp |
| ||
| tomcat9-el-3.0-api |
| ||
| tomcat9-jsp-2.3-api |
| ||
| tomcat9-lib |
| ||
| tomcat9-servlet-4.0-api |
| ||
| tomcat9-webapps |
|
Common Weakness Enumeration
Vulnerability Media Exposure