CVE-2026-19012
Consul Community Edition and Consul Enterprise 1.18.0 through 2.0.2 are vulnerable to an authenticated denial of service in the Enterprise-to-Community Edition downgrade path that may allow an authorized caller to crash the Consul server. A caller with config-entry write permission can submit a service-router configuration entry that causes the agent to exit unexpectedly. This vulnerability, CVE-2026-19012, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
Published:Aug 7, 2026
Last Modified:Aug 10, 2026
EPS:Aug 7, 2026
EPSS Score:0.00245
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Hashicorp
Product
Consul
Hashicorp
Consul
Vendor
Hashicorp
Product
Consul Enterprise
Hashicorp
Consul Enterprise
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
