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        "cveId": "CVE-2026-93643",
        "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7",
        "state": "PUBLISHED",
        "assignerShortName": "rapid7",
        "dateReserved": "2026-09-18T12:22:38.559Z",
        "datePublished": "2026-09-25T13:57:19.199Z",
        "dateUpdated": "2026-09-26T03:55:49.487Z"
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                "dateUpdated": "2026-09-25T13:57:19.199Z"
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            "title": "Zimbra Collaboration Suite OnlyOffice Integration Path Traversal Leading to Remote Code Execution via Unauthenticated /downloadas Request",
            "datePublic": "2026-09-25T13:53:00.000Z",
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                            "lang": "en",
                            "cweId": "CWE-22",
                            "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "type": "CWE"
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                    ]
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                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-863",
                            "description": "CWE-863 Incorrect Authorization",
                            "type": "CWE"
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                    ]
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            ],
            "affected": [
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                    "vendor": "Zimbra",
                    "product": "Zimbra Collaboration Suite (ZCS)",
                    "versions": [
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                            "status": "affected",
                            "version": "0",
                            "lessThan": "10.1.21",
                            "versionType": "semver"
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                    "lang": "en",
                    "value": "When OnlyOffice/Document Editing is available, an unauthenticated remote attacker with access to an existing supported public Briefcase document can abuse unsigned save fields to perform path-traversal writes and execute commands as zimbra.",
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                            "type": "text/html",
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            "references": [
                {
                    "url": "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories",
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                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.8,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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                {
                    "lang": "en",
                    "value": "Jonah Burgess (CryptoCat), Senior Security Researcher, Rapid7",
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            "source": {
                "discovery": "UNKNOWN"
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                                "timestamp": "2026-09-25T00:00:00+00:00",
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                                        "Exploitation": "none"
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