Bug 2560991 (CVE-2026-115804)

Summary: CVE-2026-115804 github.com/hashicorp/consul: Consul: Authorization bypass via health check registration
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: lchilton, rhel-process-autobot, sfeifer, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Consul. An authenticated user can bypass authorization controls during health check registration to modify health checks belonging to another service running on the same node. This improper access control may allow an attacker to alter service health statuses, potentially leading to unauthorized service disruption or improper traffic routing.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-10-26 18:26:33 UTC
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.