CVE-2026-115804

Medium

Description

HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in health check registration that may allow an authenticated user to modify health checks belonging to another service on the same node. This vulnerability (CVE-2026-115804) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.

SeverityMedium

CVSS6.4

Exploit probability—

ProductConsul

PublishedOct 26, 2026

First seenOct 26, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

HashiCorp Consul2.1.0 or later
HashiCorp Consul Enterprise2.1.0 or later

Affected products

Product	Affected versions	Fixed in
HashiCorp Consul	0.7.2 ≤ v < 2.1.0	2.1.0
HashiCorp Consul Enterprise	0.7.2 ≤ v < 2.1.0	2.1.0

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