Description
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.
Published: 2026-08-07
Score: 4.2 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 13 Aug 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-551
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 10 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 07 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Hashicorp
Hashicorp consul
Hashicorp consul Enterprise
Vendors & Products Hashicorp
Hashicorp consul
Hashicorp consul Enterprise

Fri, 07 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
Description 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.
Title L7 intention authorization bypass via custom public listener
Weaknesses CWE-647
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}


Subscriptions

Hashicorp Consul Consul Enterprise
cve-icon MITRE

Status: PUBLISHED

Assigner: HashiCorp

Published:

Updated: 2026-08-10T18:24:21.524Z

Reserved: 2026-07-16T15:31:32.340Z

Link: CVE-2026-15970

cve-icon Vulnrichment

Updated: 2026-08-10T17:41:19.654Z

cve-icon NVD

Status : Received

Published: 2026-08-07T20:16:49.863

Modified: 2026-08-10T19:17:28.930

Link: CVE-2026-15970

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-08-07T19:20:13Z

Links: CVE-2026-15970 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T15:00:04Z

Weaknesses
  • CWE-551

    Incorrect Behavior Order: Authorization Before Parsing and Canonicalization

  • CWE-647

    Use of Non-Canonical URL Paths for Authorization Decisions