CVE-2026-19014

Uncontrolled resource consumption in the Consul Connect authorization endpoint

Published Aug 7, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hashicorp
Hashicorp consul
Hashicorp consul Enterprise
Vendors & Products Hashicorp
Hashicorp consul
Hashicorp consul Enterprise
Type Values Removed Values Added
Description 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.
Title Uncontrolled resource consumption in the Consul Connect authorization endpoint
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
HashiCorp
Published
Updated
Aug 10, 2026, 6:24 PM
Reserved
Aug 5, 2026, 8:21 PM
Status
Awaiting Analysis
Published
Aug 7, 2026, 8:16 PM
Modified
Aug 28, 2026, 3:47 PM
Severity
Moderate
Public date
Aug 7, 2026, 7:19 PM