Consul Community Edition and Consul Enterprise 1.3.0 through 2.0.2 are vulnerable to an unauthenticated denial of service in several agent HTTP API endpoints. A remote caller could cause the agent to consume substantial memory before the request was rejected. This vulnerability, CVE-2026-19113, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 14 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770
References
Metrics threat_severity

None

threat_severity

Important


Mon, 10 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 07 Aug 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Hashicorp
Hashicorp consul
Hashicorp consul Enterprise
Vendors & Products Hashicorp
Hashicorp consul
Hashicorp consul Enterprise

Fri, 07 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
Description Consul Community Edition and Consul Enterprise 1.3.0 through 2.0.2 are vulnerable to an unauthenticated denial of service in several agent HTTP API endpoints. A remote caller could cause the agent to consume substantial memory before the request was rejected. This vulnerability, CVE-2026-19113, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
Title Unauthenticated denial of service via unbounded request body processing
Weaknesses CWE-400
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: HashiCorp

Published:

Updated: 2026-08-10T18:24:08.086Z

Reserved: 2026-08-06T14:10:14.667Z

Link: CVE-2026-19113

cve-icon Vulnrichment

Updated: 2026-08-10T17:37:13.450Z

cve-icon NVD

Status : Received

Published: 2026-08-07T20:16:50.787

Modified: 2026-08-10T19:17:29.733

Link: CVE-2026-19113

cve-icon Redhat

Severity : Important

Publid Date: 2026-08-07T19:20:32Z

Links: CVE-2026-19113 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-14T02:45:03Z

Weaknesses