CVE-2026-105608

published 2026-10-26

CVE-2026-105608: HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write…

high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in service mesh proxy registration. This may allow a user with service write permission to apply Envoy escape-hatch configuration without the required mesh write permission. This vulnerability (CVE-2026-105608) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
hashicorp	consul	>= 2.0.4 < 2.1.0	2.1.0
hashicorp	consul_enterprise	>= 2.0.4 < 2.1.0	2.1.0

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CWE-178