GHSA-fv25-8xcx-gqjc
Apache Tomcat - WebSocket authentication header exposure
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-42498
- Alias
- BIT-tomcat-2026-42498
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Description
Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.2 to 9.0.117 Older, unsupported versions may also be affected Description: If a WebSocket request was redirected after authentication, Tomcat's WebSocket client would present the most recent authentication header to the redirect target host. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later Credit: This issue was identified by lokerxx
Paquets affectés
| Paquet | Versions |
|---|---|
| Maven · org.apache.tomcat.embed:tomcat-embed-core | introduced 0, fixed 9.0.118 |
| Maven · org.apache.tomcat.embed:tomcat-embed-core | introduced 10.1.0-M1, fixed 10.1.55 |
| Maven · org.apache.tomcat.embed:tomcat-embed-core | introduced 11.0.0-M1, fixed 11.0.22 |
| Maven · org.apache.tomcat:tomcat | introduced 0, fixed 9.0.118 |
| Maven · org.apache.tomcat:tomcat | introduced 10.1.0-M1, fixed 10.1.55 |
| Maven · org.apache.tomcat:tomcat | introduced 11.0.0-M1, fixed 11.0.22 |
| Maven · org.apache.tomcat:tomcat-catalina | introduced 0, fixed 9.0.118 |
| Maven · org.apache.tomcat:tomcat-catalina | introduced 10.1.0-M1, fixed 10.1.55 |
| Maven · org.apache.tomcat:tomcat-catalina | introduced 11.0.0-M1, fixed 11.0.22 |
Références
- https://nvd.nist.gov/vuln/detail/CVE-2026-42498 ADVISORY
- https://github.com/apache/tomcat/commit/169d725788ea6aec217ecac70fe4161c837ba423 WEB
- https://github.com/apache/tomcat/commit/6cbe274592ef2d11607b5b188e1df649de52f8d5 WEB
- https://github.com/apache/tomcat/commit/b7b173694d588ddcfa432f079baf763cbbbaa5c4 WEB
- https://github.com/apache/tomcat PACKAGE
- https://lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb WEB
- https://tomcat.apache.org/security-10.html WEB
- https://tomcat.apache.org/security-11.html WEB
- https://tomcat.apache.org/security-9.html WEB
- http://www.openwall.com/lists/oss-security/2026/05/12/14 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |