CVE-2026-19014

Description

A flaw was found in Consul. A remote attacker could exploit an uncontrolled resource consumption vulnerability in the Connect authorization endpoint. This flaw allows a caller to continuously grow the agent's intention-match cache, bypassing configured cache limits. The primary consequence is a Denial of Service (DoS) due to unbounded resource consumption.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Availability

Technical Impact: DoS: Resource Consumption (CPU); DoS: Resource Consumption (Memory); DoS: Resource Consumption (Other)

When allocating resources without limits, an attacker could prevent other systems, applications, or processes from accessing the same type of resource. It can be easy for an attacker to consume many resources by rapidly making many requests or causing larger resources to be used than is needed.

Frequently Asked Questions

Want to get errata notifications? Sign up here.