CVE-2026-110720

HashiCorp Tooling

Published 26 Oct 2026 · updated 27 Oct 2026 · Awaiting Analysis

9.9 Critical · CVSS 3.1, hashicorp.com

Description

Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability (CVE-2026-110720) is fixed in consul-k8s 2.1.0 and 1.8.18.

References

discuss.hashicorp.com/t/hcsec-2026-50-consul-k8s-vulnerable-to-a-cross-namespace-authorization-bypass-in-component-acl-binding-rules/77915