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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-5680: rose from 0.004 to 0.011.

EPSS over last 30 days · oldest: 0.004 · newest: 0.011 · change: +0.007

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.