What is CVE-2026-19014?

CVE-2026-19014 is a medium-severity vulnerability in Hashicorp Consul, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2026-08-07.

How severe is CVE-2026-19014?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Resource exhaustion in Hashicorp Consul

CVE-2026-19014

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 withou…

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Hashicorp Consul — versions 1.17.0
Hashicorp Consul Enterprise — versions 1.17.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-19014?: CVE-2026-19014 is a medium-severity vulnerability in Hashicorp Consul, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2026-08-07.
How severe is CVE-2026-19014?: Medium severity. CVSS v3 base score is 4.3 out of 10.