CVE-2026-110720
Critical
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.
SeverityCritical
CVSS9.9
Exploit probability—
ProductTooling
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- HashiCorp Tooling2.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| HashiCorp Tooling | 0.42.0 ≤ v < 2.0.4 | 2.0.4 |
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