CVE-2026-15970

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Source
https://cve.org/CVERecord?id=CVE-2026-15970
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15970.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-15970
Aliases
Downstream
CGA (7)
DEBIAN (1)
MINI (2)
UBUNTU (1)
Published
2026-08-07T19:20:13Z
Modified
2026-10-28T02:30:28Z
Severity
  • 4.2 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
L7 intention authorization bypass via custom public listener
Details

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.

Database specific 
{
    "cna_assigner": "HashiCorp",
    "cwe_ids": [
        "CWE-647"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15970.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "1.20.1"
                        },
                        {
                            "fixed": "1.21.17"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "ChangesAt"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/hashicorp/consul

Affected ranges

Type
GIT
Repo
https://github.com/hashicorp/consul
Events
Introduced
920cc7c649225b52e1c45951e609c3d37a49324d
Fixed
d0f2be936dced184d8bddc6f9dd00295f7c34f74
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "1.20.1"
                },
                {
                    "fixed": "2.0.3"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15970.json"