What is CVE-2026-19015?

CVE-2026-19015 is a medium-severity vulnerability in Hashicorp Consul, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-08-07.

How severe is CVE-2026-19015?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Hashicorp Consul

CVE-2026-19015

Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache with…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Hashicorp Consul — versions 1.2.0
Hashicorp Consul Enterprise — versions 1.2.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-19015?: CVE-2026-19015 is a medium-severity vulnerability in Hashicorp Consul, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-08-07.
How severe is CVE-2026-19015?: Medium severity. CVSS v3 base score is 5.3 out of 10.