CVE-2026-15970
L7 intention authorization bypass via custom public listener
CVSS Score
4.2
EPSS Score
0.0%
EPSS Percentile
0th
Consul Community Edition and Consul Enterprise 1.20.1 through 2.0.2 are vulnerable to an L7 intention authorization bypass when a service proxy is configured with a custom public listener. An authenticated mesh workload may reach HTTP paths that are blocked by a path-based deny intention. This vulnerability, CVE-2026-15970, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
| CWE | CWE-647 |
| Vendor | hashicorp |
| Product | consul |
| Published | Aug 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
HashiCorp / Consul
1.20.1 < 2.0.3
HashiCorp / Consul Enterprise
1.20.1 < 2.0.3
References
Credits
This issue was reported by Erichen.