7.5

CVE-2026-15565

Undertow: undertow-websockets: undertow: pre-auth dos on websocket endpoint with @serverendpoint class with any @onmessage method

A flaw was found in Undertow. A remote attacker can cause Out of Memory on websockets endpoint without authentication on any @ServerEndpoint class that has any @OnMessage method. This allows an attacker to cause Denial of Service attack without authentication and using only a standard WebSocket handshake.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerRed Hat
Produkt Red Hat JBoss Enterprise Application Platform 7.4.25
Default Statusunaffected
HerstellerRed Hat
Produkt Red Hat build of Apache Camel for Spring Boot 4
Default Statusaffected
HerstellerRed Hat
Produkt Red Hat Data Grid 8
Default Statusaffected
HerstellerRed Hat
Produkt Red Hat Fuse 7
Default Statusunknown
HerstellerRed Hat
Produkt Red Hat JBoss Enterprise Application Platform 8
Default Statusaffected
HerstellerRed Hat
Produkt Red Hat JBoss Enterprise Application Platform Expansion Pack
Default Statusunaffected
HerstellerRed Hat
Produkt Red Hat Single Sign-On 7
Default Statusunknown
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.48% 0.389
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
RedHat 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

https://access.redhat.com/security/cve/CVE-2026-15565
https://bugzilla.redhat.com/show_bug.cgi?id=2490628
https://access.redhat.com/errata/RHSA-2026:53806