CVE-2026-19012

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Source
https://cve.org/CVERecord?id=CVE-2026-19012
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19012.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-19012
Downstream
Published
2026-08-07T19:18:59.119Z
Modified
2026-08-09T03:45:57.037453364Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Authenticated denial of service in Consul Enterprise-to-Community Edition downgrade path
Details

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.

Database specific 
{
    "cna_assigner": "HashiCorp",
    "cwe_ids": [
        "CWE-476"
    ],
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "1.18.0"
                },
                {
                    "fixed": "2.0.3"
                },
                {
                    "introduced": "1.18.0"
                },
                {
                    "fixed": "2.0.3"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19012.json"
}
References

Affected packages

Git / github.com/hashicorp/consul

Affected ranges

Type
GIT
Repo
https://github.com/hashicorp/consul
Events
Introduced
349cec176db1a6067952c1708d384e56de4eb9e1
Fixed
ca5bc12bf2f9a3b10d4345aaa8050b0d3b523664
Database specific 
{
    "extracted_events": [
        {
            "introduced": "1.18.0"
        },
        {
            "fixed": "2.0.2"
        }
    ],
    "source": "DESCRIPTION"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19012.json"