What is CVE-2026-19113?

CVE-2026-19113 is a medium-severity vulnerability in Hashicorp Consul, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-08-07.

How severe is CVE-2026-19113?

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

Resource exhaustion in Hashicorp Consul

CVE-2026-19113

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 r…

Vulnerability class: DoS (Denial of Service)

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 1.3.0
Hashicorp Consul Enterprise — versions 1.3.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-19113?: CVE-2026-19113 is a medium-severity vulnerability in Hashicorp Consul, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-08-07.
How severe is CVE-2026-19113?: Medium severity. CVSS v3 base score is 5.3 out of 10.