{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-49993",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-02T18:30:51.283Z",
        "datePublished": "2026-06-12T12:57:43.232Z",
        "dateUpdated": "2026-06-12T13:42:21.829Z"
    },
    "containers": {
        "cna": {
            "title": "@nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-749",
                            "lang": "en",
                            "description": "CWE-749: Exposed Dangerous Method or Function",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "ADJACENT",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 5.9,
                        "baseSeverity": "MEDIUM",
                        "vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/nuxt/nuxt/security/advisories/GHSA-x6qj-4h56-5rj5",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-x6qj-4h56-5rj5"
                },
                {
                    "name": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g"
                },
                {
                    "name": "https://github.com/nuxt/nuxt/pull/35200",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/nuxt/nuxt/pull/35200"
                },
                {
                    "name": "https://github.com/nuxt/nuxt/commit/77187ee4015e9267fb464951542a3e09e8b5fa05",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/nuxt/nuxt/commit/77187ee4015e9267fb464951542a3e09e8b5fa05"
                },
                {
                    "name": "https://github.com/nuxt/nuxt/commit/e351de943e82db16970618b60dc7fdbaa58630f3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/nuxt/nuxt/commit/e351de943e82db16970618b60dc7fdbaa58630f3"
                }
            ],
            "affected": [
                {
                    "vendor": "nuxt",
                    "product": "nuxt",
                    "versions": [
                        {
                            "version": ">= 3.15.4, < 3.21.7",
                            "status": "affected"
                        },
                        {
                            "version": ">= 4.0.0, < 4.4.7",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-06-12T12:57:43.232Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Nuxt is an open-source web development framework for Vue.js. In @nuxt/rspack-builder and @nuxt/webpack-builder from versions 3.15.4 to before 3.21.7 and 4.0.0 to before 4.4.7, there is an incomplete fix for GHSA-6m52-m754-pw2g. Source code may still be stolen during dev when using the webpack / rspack builder if the dev server is bound to a non-loopback address (e.g. nuxt dev --host) and the developer opens a malicious site on the same network. This issue has been patched in versions 3.21.7 and 4.4.7."
                }
            ],
            "source": {
                "advisory": "GHSA-x6qj-4h56-5rj5",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-6m52-m754-pw2g",
                        "tags": [
                            "exploit"
                        ]
                    },
                    {
                        "url": "https://github.com/nuxt/nuxt/security/advisories/GHSA-x6qj-4h56-5rj5",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-12T13:42:10.549608Z",
                                "id": "CVE-2026-49993",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "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": "2026-06-12T13:42:21.829Z"
                }
            }
        ]
    }
}