CVE-2026-19014: Hashicorp Consul

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Hashicorp Consul: from 1.17.0, before 2.0.3 (fixed in 2.0.3)
• Hashicorp Consul Enterprise: from 1.17.0, before 2.0.3 (fixed in 2.0.3)

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