CVE-2026-19113: Hashicorp Consul

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

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 request was rejected. This vulnerability, CVE-2026-19113, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

Affected products

• Hashicorp Consul: from 1.3.0, before 2.0.3 (fixed in 2.0.3)
• Hashicorp Consul Enterprise: from 1.3.0, before 2.0.3 (fixed in 2.0.3)

Published 2026-08-07. Last modified 2026-08-28.