UBUNTU-CVE-2026-115804: Medium severity ubuntu/consul vulnerability

Published Oct 26, 2026
·
Updated

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.

Affected Software

3 affected components
ubuntu/consul*
ubuntu/consul*
ubuntu/consul*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade HashiCorp Consul Community Edition to a version that resolves this vulnerability.

    Fixed in 2.1.0
  2. Upgrade

    Upgrade HashiCorp Consul Enterprise to a version that resolves this vulnerability.

    Fixed in 2.1.0
  3. Upgrade

    Upgrade HashiCorp Consul Enterprise to a version that resolves this vulnerability.

    Fixed in 1.21.19

Event History

Oct 26, 2026
CVE Published
via OSV·06:17 PM
Data Sourced
via OSV·06:17 PM
DescriptionSeverityAffected Software

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