CVE-2026-81624
High
Description
Undertow is a flexible performant web server used in JBoss EAP and WildFly. A flaw was found in how Undertow handles WebSocket connections. Specifically, certain configuration limits like message buffer sizes and session timeouts cannot be adjusted and default to being unlimited. This allows a remote attacker to send large amounts of data or maintain connections indefinitely, potentially crashing the server by exhausting its memory or other resources.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Red Hat build of Apache Camel for Spring Boot 4
PublishedAug 31, 2026
First seenAug 31, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat build of Apache Camel for Spring Boot 4 | No range specified | — |
| Red Hat Red Hat Fuse 7 | No range specified | — |
| Red Hat Red Hat JBoss Enterprise Application Platform 7 | No range specified | — |
| Red Hat Red Hat JBoss Enterprise Application Platform 8 | No range specified | — |
| Red Hat Red Hat Single Sign-On 7 | No range specified | — |
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