CVE-2026-42498
3 advisories.
Maven/org.apache.tomcat.embed:tomcat-embed-core CVE-2026-42498: high 7.3
Apache Tomcat - WebSocket authentication header exposure
Action: Upgrade org.apache.tomcat.embed:tomcat-embed-core to 9.0.118 (9.x), 10.1.55 (10.x) or 11.0.22 (11.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 9.0.118 | - |
| 10.1.0-M1 | 10.1.55 | - |
| 11.0.0-M1 | 11.0.22 | - |
Fixed versions
| 9.0.118 | 10.1.55 | 11.0.22 |
Sources
- osv: GHSA-fv25-8xcx-gqjc
- https://nvd.nist.gov/vuln/detail/CVE-2026-42498
- https://github.com/apache/tomcat/commit/169d725788ea6aec217ecac70fe4161c837ba423
- https://github.com/apache/tomcat/commit/6cbe274592ef2d11607b5b188e1df649de52f8d5
- https://github.com/apache/tomcat/commit/b7b173694d588ddcfa432f079baf763cbbbaa5c4
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- http://www.openwall.com/lists/oss-security/2026/05/12/14
CVE-2026-42498 · published · modified · JSON
Maven/org.apache.tomcat:tomcat CVE-2026-42498: high 7.3
Apache Tomcat - WebSocket authentication header exposure
Action: Upgrade org.apache.tomcat:tomcat to 9.0.118 (9.x), 10.1.55 (10.x) or 11.0.22 (11.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 9.0.118 | - |
| 10.1.0-M1 | 10.1.55 | - |
| 11.0.0-M1 | 11.0.22 | - |
Fixed versions
| 9.0.118 | 10.1.55 | 11.0.22 |
Sources
- osv: GHSA-fv25-8xcx-gqjc#Maven/org.apache.tomcat:tomcat
- https://nvd.nist.gov/vuln/detail/CVE-2026-42498
- https://github.com/apache/tomcat/commit/169d725788ea6aec217ecac70fe4161c837ba423
- https://github.com/apache/tomcat/commit/6cbe274592ef2d11607b5b188e1df649de52f8d5
- https://github.com/apache/tomcat/commit/b7b173694d588ddcfa432f079baf763cbbbaa5c4
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- http://www.openwall.com/lists/oss-security/2026/05/12/14
CVE-2026-42498 · published · modified · JSON
Maven/org.apache.tomcat:tomcat-catalina CVE-2026-42498: high 7.3
Apache Tomcat - WebSocket authentication header exposure
Action: Upgrade org.apache.tomcat:tomcat-catalina to 9.0.118 (9.x), 10.1.55 (10.x) or 11.0.22 (11.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 9.0.118 | - |
| 10.1.0-M1 | 10.1.55 | - |
| 11.0.0-M1 | 11.0.22 | - |
Fixed versions
| 9.0.118 | 10.1.55 | 11.0.22 |
Sources
- osv: GHSA-fv25-8xcx-gqjc#Maven/org.apache.tomcat:tomcat-catalina
- https://nvd.nist.gov/vuln/detail/CVE-2026-42498
- https://github.com/apache/tomcat/commit/169d725788ea6aec217ecac70fe4161c837ba423
- https://github.com/apache/tomcat/commit/6cbe274592ef2d11607b5b188e1df649de52f8d5
- https://github.com/apache/tomcat/commit/b7b173694d588ddcfa432f079baf763cbbbaa5c4
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- http://www.openwall.com/lists/oss-security/2026/05/12/14
CVE-2026-42498 · published · modified · JSON