CyberRota Analysis
AI-GeneratedConsul and Consul Enterprise are vulnerable to an authorization bypass in their Connect service mesh, allowing unauthorized services to access restricted destinations due to improperly escaped characters in RBAC rules. This flaw could lead to significant security breaches by enabling unintended service communications. Organizations using these products should prioritize patching to versions 2.0.4 or 1.21.18, 1.22.12 to mitigate potential risks.
Original NVD Description
Consul and Consul Enterprise are vulnerable to an authorization bypass in the Connect service mesh that may allow a service to reach a destination it is not authorized to access. When building Envoy RBAC rules to enforce Connect intentions, Consul did not correctly escape certain characters in service names, namespaces, and partitions, causing the generated authorization rules to match more broadly than intended. This vulnerability (CVE-2026-88021) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.