HCSEC-2026-49 - Consul vulnerable to an authorization bypass in health check registration
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HashiCorp Consul and Consul Enterprise versions 0.7.2 up to 2.0.4 are vulnerable to an authorization bypass allowing authenticated users to modify other services' health checks on the same node.
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Bulletin ID: HCSEC-2026-49 Affected Products / Versions: Consul and Consul Enterprise 0.7.2 up to 2.0.4; fixed in Consul 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19 Publication Date: October 26, 2026 Summary HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in health check registration that may allow an authenticated user to modify health checks belonging to another service on the same node. This vulnerability (CVE-2026-115804) is fixed in Consul Community Editio