{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-55638",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-16T23:52:12.057Z",
        "datePublished": "2026-07-10T15:38:21.922Z",
        "dateUpdated": "2026-07-10T16:46:33.965Z"
    },
    "containers": {
        "cna": {
            "title": "9router: Unauthenticated LLM proxy access via /codex rewrite authorization bypass",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-862",
                            "lang": "en",
                            "description": "CWE-862: Missing Authorization",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-863",
                            "lang": "en",
                            "description": "CWE-863: Incorrect Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.6,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/decolua/9router/security/advisories/GHSA-8gmq-j984-vp4r",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/decolua/9router/security/advisories/GHSA-8gmq-j984-vp4r"
                },
                {
                    "name": "https://github.com/decolua/9router/commit/b282f0554972ea35281520738759d76abcd0b0b3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/decolua/9router/commit/b282f0554972ea35281520738759d76abcd0b0b3"
                },
                {
                    "name": "https://github.com/decolua/9router/releases/tag/v0.5.2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/decolua/9router/releases/tag/v0.5.2"
                }
            ],
            "affected": [
                {
                    "vendor": "decolua",
                    "product": "9router",
                    "versions": [
                        {
                            "version": "< 0.5.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-07-10T15:38:21.922Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "9Router is an AI router & token saver. Prior to 0.5.2, 9router protects /v1, /v1beta, /api/v1, and /api/v1beta in src/dashboardGuard.js but omits /codex before next.config.mjs rewrites /codex/* to /api/v1/responses. A remote unauthenticated attacker can send requests to /codex/* to bypass the API-key gate and cause the server to make upstream provider calls using operator-stored LLM provider credentials. This issue is fixed in version 0.5.2."
                }
            ],
            "source": {
                "advisory": "GHSA-8gmq-j984-vp4r",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/decolua/9router/security/advisories/GHSA-8gmq-j984-vp4r",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-10T16:45:56.907696Z",
                                "id": "CVE-2026-55638",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-10T16:46:33.965Z"
                }
            }
        ]
    }
}