Resource exhaustion in Red Hat Build Of Apache Camel For Spring Boot 4

CVE-2026-5680

A flaw was found in Undertow. A remote attacker could exploit this vulnerability by sending specially crafted WebSocket messages with permessage-deflate negotiated. This could lead to excessive memory consumption due to the PerMessageDeflateFunction.largerBuffer() method using exponential doubling, resulting in a Denial of Service (DoS) for the affected application.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5680?
CVE-2026-5680 is a high-severity vulnerability in Red Hat Build Of Apache Camel For Spring Boot 4, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-27.
How severe is CVE-2026-5680?
High severity. CVSS v3 base score is 7.5 out of 10.