CVE-2026-19014
Uncontrolled resource consumption in the Consul Connect authorization endpoint
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | hashicorp |
| Product | consul |
| Published | Aug 7, 2026 |
Stay Ahead of the Next One
Get instant alerts for hashicorp consul
Be the first to know when new medium vulnerabilities affecting hashicorp consul are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
HashiCorp / Consul
1.17.0 < 2.0.3
HashiCorp / Consul Enterprise
1.17.0 < 2.0.3
References
Credits
This issue was reported to HashiCorp by Erichen.