CVE-2026-87106

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Source

https://cve.org/CVERecord?id=CVE-2026-87106

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-87106.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-87106

Published

2026-09-10T18:55:15Z

Modified

2026-09-12T03:47:21Z

Severity

6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

Consul vulnerable to a denial of service in the native RPC listener

Details

Consul and Consul Enterprise are vulnerable to a denial of service in the native RPC listener that may allow an authenticated client to exhaust server memory before ACL authorization is evaluated. A client that can complete the internal RPC mTLS handshake may exploit this issue without holding a valid ACL token. This vulnerability (CVE-2026-87106) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.

Database specific

{
    "cna_assigner": "HashiCorp",
    "cwe_ids": [
        "CWE-400"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87106.json"
}

References

Affected packages

Git / github.com/hashicorp/consul

Affected ranges

Type

GIT

Repo

https://github.com/hashicorp/consul

Events

Introduced

4e96098f98228a6b91691abefced6493128d57ea

Fixed

a3eb721c21d4c1ff4baabf84da60158f374f8907

Database specific

Show details

{
    "extracted_events": [
        {
            "introduced": "1.21.0"
        },
        {
            "fixed": "2.0.4"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-87106.json"