{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-18482",
        "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "state": "PUBLISHED",
        "assignerShortName": "certcc",
        "dateReserved": "2026-07-31T12:46:16.513Z",
        "datePublished": "2026-08-20T12:36:40.567Z",
        "dateUpdated": "2026-08-27T17:41:12.025Z"
    },
    "containers": {
        "cna": {
            "title": "CVE-2026-18482",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Neo.mjs contains a command injection vulnerability within the FileSystemService.mjs component of the ai/mcp/server/file-system MCP server, where the checkSyntax() and runPlaywrightTest() functions unsafely interpolate caller-controlled absolutePath values into shell commands, enabling arbitrary OS command execution when an AI agent is induced to invoke these tools. Commit 88c77fc fixes these vulnerabilities."
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "affected": [
                {
                    "vendor": "Klarso GmbH",
                    "product": "neo-mjs",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "88c77fc4",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/neomjs/neo/commit/5acc564ea1b278bca5fab1f8f397a6ba9b849d75"
                },
                {
                    "url": "https://github.com/neomjs/neo/commit/88c77fc4"
                },
                {
                    "url": "https://novice-22.com/posts/neo-mjs/"
                }
            ],
            "x_generator": {
                "engine": "VINCE 3.0.44",
                "env": "prod",
                "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-18482"
            },
            "providerMetadata": {
                "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
                "shortName": "certcc",
                "dateUpdated": "2026-08-20T19:16:46.108Z"
            }
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-78",
                                "lang": "en",
                                "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
                            }
                        ]
                    }
                ],
                "references": [
                    {
                        "url": "https://novice-22.com/posts/neo-mjs/",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-27T17:41:03.974867Z",
                                "id": "CVE-2026-18482",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-27T17:41:12.025Z"
                }
            }
        ]
    }
}