{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-79674",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-08-25T11:10:13.698Z",
        "datePublished": "2026-08-25T15:16:00.226Z",
        "dateUpdated": "2026-08-25T15:16:00.226Z"
    },
    "containers": {
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                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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                "dateUpdated": "2026-08-25T15:16:00.226Z"
            },
            "datePublic": "2026-08-11T00:00:00.000Z",
            "title": "NLTK 3.10.2 Path Traversal via corpus-reader constructors",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "NLTK versions before 3.10.3 contain a path sandbox bypass vulnerability in corpus-reader constructors that allows attackers to read files outside the intended data root. Attackers can supply arbitrary corpus root paths to LinThesaurusCorpusReader and PanLexLiteCorpusReader constructors to access filesystem content and SQLite databases outside the pathsec sandbox boundary."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "External Control of File Name or Path",
                            "cweId": "CWE-73",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "nltk",
                    "product": "nltk",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/nltk",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "3.10.3"
                        },
                        {
                            "version": "3.10.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*",
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                    ]
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            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "LOW",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS"
                },
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                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 8.2,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS"
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            "references": [
                {
                    "url": "https://github.com/nltk/nltk/security/advisories/GHSA-3gq4-3j92-5w49",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "name": "GitHub Security Advisory (GHSA-3gq4-3j92-5w49)"
                },
                {
                    "name": "VulnCheck Advisory: NLTK 3.10.2 Path Traversal via corpus-reader constructors",
                    "tags": [
                        "third-party-advisory"
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                    "url": "https://www.vulncheck.com/advisories/nltk-path-traversal-via-corpus-reader-constructors"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "nguyencanhthuong",
                    "type": "reporter"
                }
            ],
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                "engine": "vulncheck-endgame"
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}