Bug 2560989 (CVE-2026-105626)

Summary: CVE-2026-105626 github.com/hashicorp/consul: Consul: Denial of Service via memory exhaustion in HTTP API
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
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 HashiCorp Consul. An unauthenticated remote attacker can exploit this vulnerability through the HTTP Application Programming Interface (API) to cause excessive memory consumption on a Consul agent. Successful exploitation leads to memory exhaustion and results in a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-10-26 18:25:25 UTC
HashiCorp Consul and Consul Enterprise are vulnerable to a denial of service in the HTTP API that may allow an unauthenticated attacker to exhaust memory on a Consul agent. This vulnerability (CVE-2026-105626) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.