{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-82286",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-08-28T11:12:52.669Z",
        "datePublished": "2026-08-28T16:19:04.531Z",
        "dateUpdated": "2026-08-28T16:19:04.531Z"
    },
    "containers": {
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                "shortName": "VulnCheck",
                "dateUpdated": "2026-08-28T16:19:04.531Z"
            },
            "datePublic": "2026-07-03T00:00:00.000Z",
            "title": "gpt-crawler Arbitrary File Write via outputFileName Parameter",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "gpt-crawler through 1.5.1 fails to validate the outputFileName parameter in the POST /crawl endpoint, allowing unauthenticated attackers to write arbitrary files to any filesystem path. Attackers can supply absolute paths or parent-directory segments to overwrite existing files with content sourced from attacker-controlled URLs."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "cweId": "CWE-22",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "BuilderIO",
                    "product": "gpt-crawler",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "1.5.1",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "LOW",
                        "baseScore": 8.6,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/BuilderIO/gpt-crawler/issues/418",
                    "tags": [
                        "issue-tracking"
                    ],
                    "name": "GitHub Issue #418"
                },
                {
                    "url": "https://github.com/BuilderIO/gpt-crawler",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/core.ts",
                    "tags": [
                        "technical-description"
                    ],
                    "name": "Vulnerable code: core.ts"
                },
                {
                    "url": "https://github.com/BuilderIO/gpt-crawler/blob/d2245d66a5ad60bf227a55c849135394cbecc9b5/src/config.ts",
                    "tags": [
                        "technical-description"
                    ],
                    "name": "Vulnerable code: config.ts"
                },
                {
                    "name": "VulnCheck Advisory: gpt-crawler Arbitrary File Write via outputFileName Parameter",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/gpt-crawler-arbitrary-file-write-via-outputfilename-parameter"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "George Chen",
                    "type": "reporter"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}