Security Advisory

CVE-2026-15972

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-07 19:20:22

Last updated 2026-08-10 18:24:14

Assigner HashiCorp

CVSS score 7.5

State PUBLISHED

Description

Consul Community Edition and Consul Enterprise 1.13.0 through 2.0.2 are vulnerable to an unauthenticated denial of service through unbounded connection acceptance on the external gRPC listeners. A remote attacker may exhaust agent file descriptors, goroutines, and memory by opening many incomplete connections, potentially preventing legitimate clients from connecting. This vulnerability, CVE-2026-15972, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

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