Vulnerability DatabaseCVE-2026-19014
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CVE-2026-19014
Published:August 07, 2026
Updated:September 01, 2026
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.
Affected Packages
https://github.com/hashicorp/consul.git (GITHUB):
Affected version(s) >=v1.17.0 <v2.0.3
Fix Suggestion:
Update to version v2.0.3
Related Resources (4)
https://nvd.nist.gov/vuln/detail/CVE-2026-19014
https://discuss.hashicorp.com/t/hcsec-2026-25-multiple-vulnerabilities-impacting-hashicorp-consul/77629
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19014.json
https://github.com/hashicorp/consul
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
CWE-770
EPSS
Base Score:
0.26