CVE-2026-110720

CriticalCVSS 9.9/10Last modified Oct 27, 2026

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.

Metrics

CVSS 3.1 9.9/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
HashiCorp	Tooling	>= 0.42.0, < 2.0.4

References

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

Timeline

Published: Oct 26, 2026
Last modified: Oct 27, 2026
NVD status: Awaiting Analysis

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