CVE-2026-14537

Source
https://cve.org/CVERecord?id=CVE-2026-14537
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-14537.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-14537
Published
2026-07-31T01:38:18Z
Modified
2026-08-12T03:51:12Z
Severity
  • 8.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U CVSS Calculator
Summary
Authorization Bypass in MCP Toolbox Legacy HTTP Endpoints
Details

Incorrect Authorization in the direct HTTP API tool invocation endpoint in Google mcp-toolbox versions v1.3.0 and v1.4.0 allows an unauthenticated attacker to invoke tools protected by the scopeRequired feature via sending tool invocation requests through legacy HTTP endpoints when the --enable-api flag is active.

Database specific
{
    "cna_assigner": "Google",
    "cwe_ids": [
        "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14537.json"
}
References

Affected packages

Git / github.com/googleapis/mcp-toolbox

Affected ranges

Type
GIT
Repo
https://github.com/googleapis/mcp-toolbox
Events
Database specific
Show details
{
    "cpe": [
        "cpe:2.3:a:google:mcp_toolbox_for_databases:1.3.0:*:*:*:*:*:*:*",
        "cpe:2.3:a:google:mcp_toolbox_for_databases:1.4.0:*:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "1.3.0"
        },
        {
            "last_affected": "1.3.0"
        },
        {
            "introduced": "v1.4.0"
        },
        {
            "last_affected": "v1.4.0"
        },
        {
            "introduced": "1.4.0"
        },
        {
            "last_affected": "1.4.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_STRING"
    ]
}

Affected versions

1.*
1.3.0
1.4.0
v1.*
v1.3.0
v1.4.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-14537.json"