tmp: Path Traversal via unsanitized prefix/postfix enables directory escape_CVE-2026-44705

{
    "lastseen": "",
    "description": "tmp is a temporary file and directory creator for node.js. Prior to 0.2.6, the tmp npm package contains a path traversal vulnerability that allows escaping the intended temporary directory when untrusted data flows into the prefix, postfix, or dir options. By embedding traversal sequences (e.g., ../) or path separators in these parameters, attackers can cause files to be created outside the configured temporary base directory at attacker-controlled locations with the privileges of the running process. This vulnerability affects applications that pass user-controlled data to tmp's file/directory creation functions without proper input sanitization. This vulnerability is fixed in 0.2.6.",
    "published": "2026-06-11T15:42:46.565Z",
    "modified": "2026-06-11T15:42:46.565Z",
    "type": "cve",
    "title": "tmp: Path Traversal via unsanitized prefix/postfix enables directory escape",
    "source": "GitHub_M",
    "references": "https://github.com/raszi/node-tmp/security/advisories/GHSA-ph9p-34f9-6g65",
    "id": "CVE-2026-44705",
    "bulletinFamily": "",
    "cwe": [
        "CWE-22"
    ],
    "cvelist": null,
    "sourceData": "raszi node-tmp < 0.2.6",
    "sourceHref": "",
    "cvss": {
        "score": 7.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
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            "baseScore": 0,
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "node-tmp",
    "version": "< 0.2.6",
    "vendor": "raszi",
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    "ai_score": 0
}