Medium6.5Red Hat Linux

Medium [CVE-2026-19014] Denial of Service via uncontrolled resource consumption in Connect authorization endpoint

This medium-severity Red Hat Linux advisory covers CVE-2026-19014 affecting Red Hat Enterprise Linux 8, Red Hat package: grafana.

CVE-2026-19014 Published Aug 7, 2026Updated by vendor Aug 7, 2026

CVE-2026-19014

Affected products & platforms

Red Hat LinuxRed Hat Enterprise Linux

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Summary

Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable configuration.

This vulnerability, CVE-2026-190124, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3. A flaw was found in Consul.

The primary consequence is a Denial of Service (DoS) due to unbounded resource consumption. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-770. Affected Red Hat products: Red Hat Enterprise Linux 8.

Red Hat does not currently list a fixing RHSA for this CVE.

Affected products named by the advisory: Red Hat package: grafana.

Affected versions

1.17.0
2.0.2

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions

2.0.3
1.21.17
1.22.11

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 2.0.3, 1.21.17, 1.22.11. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Discussion(0)

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