{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-45140",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-05-08T20:44:38.963Z",
        "datePublished": "2026-09-17T20:11:52.462Z",
        "dateUpdated": "2026-09-18T18:33:07.092Z"
    },
    "containers": {
        "cna": {
            "title": "Chamilo LMS CStudio upload flow allows unauthenticated remote code execution",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-22",
                            "lang": "en",
                            "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-94",
                            "lang": "en",
                            "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-219",
                            "lang": "en",
                            "description": "CWE-219: Storage of File with Sensitive Data Under Web Root",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-434",
                            "lang": "en",
                            "description": "CWE-434: Unrestricted Upload of File with Dangerous Type",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g4c3-4g96-6g4m",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g4c3-4g96-6g4m"
                },
                {
                    "name": "https://github.com/chamilo/chamilo-lms/commit/4bdba1b9a8820bd70c0809317775d7f6eaa79844",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/chamilo/chamilo-lms/commit/4bdba1b9a8820bd70c0809317775d7f6eaa79844"
                },
                {
                    "name": "https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1"
                }
            ],
            "affected": [
                {
                    "vendor": "chamilo",
                    "product": "chamilo-lms",
                    "versions": [
                        {
                            "version": "< 2.0.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-09-17T20:11:52.462Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Chamilo LMS is an open-source learning management system. Prior to 2.0.1, Chamilo LMS allows an unauthenticated remote attacker to execute arbitrary code on the server. The authoritative advisory does not identify the affected endpoint, component, input, or exploitation mechanism. This issue is fixed in version 2.0.1."
                }
            ],
            "source": {
                "advisory": "GHSA-g4c3-4g96-6g4m",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-18T17:32:38.016494Z",
                                "id": "CVE-2026-45140",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "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": "2026-09-18T18:33:07.092Z"
                }
            }
        ]
    }
}