calibre has a Path Traversal Leading to Arbitrary File Corruption and Code Execution_CVE-2026-25636

{
    "lastseen": "",
    "description": "calibre is an e-book manager. In 9.1.0 and earlier, a path traversal vulnerability in Calibre's EPUB conversion allows a malicious EPUB file to corrupt arbitrary existing files writable by the Calibre process. During conversion, Calibre resolves CipherReference URI from META-INF/encryption.xml to an absolute filesystem path and opens it in read-write mode, even when it points outside the conversion extraction directory. This vulnerability is fixed in 9.2.0.",
    "published": "2026-02-06T20:07:40.529Z",
    "modified": "2026-02-06T20:07:40.529Z",
    "type": "cve",
    "title": "calibre has a Path Traversal Leading to Arbitrary File Corruption and Code Execution",
    "source": "GitHub_M",
    "references": "https://github.com/kovidgoyal/calibre/security/advisories/GHSA-8r26-m7j5-hm29\nhttps://github.com/kovidgoyal/calibre/commit/9484ea82c6ab226c18e6ca5aa000fa16de598726",
    "id": "CVE-2026-25636",
    "bulletinFamily": "",
    "cwe": [
        "CWE-22",
        "CWE-73",
        "CWE-94"
    ],
    "cvelist": null,
    "sourceData": "kovidgoyal calibre < 9.2.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.2,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "calibre",
    "version": "< 9.2.0",
    "vendor": "kovidgoyal",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}