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    "cveMetadata": {
        "cveId": "CVE-2026-49950",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-06-02T16:30:15.232Z",
        "datePublished": "2026-10-13T20:20:36.251Z",
        "dateUpdated": "2026-10-14T17:00:51.052Z"
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            "title": "Xorbits Xoscar 0.11.2 Unauthenticated Deserialization RCE via Actor Pool",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Xorbits Xoscar through 0.11.2 contains an unauthenticated deserialization vulnerability that allows remote attackers to execute arbitrary code by sending crafted data over the actor-pool TCP channel. Attackers can exploit SocketChannel.recv() passing unvalidated data to cloudpickle.loads(), which triggers pickle __reduce__ gadget execution before message type validation, achieving remote code execution as the server process which commonly runs as root on GPU nodes."
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            "datePublic": "2026-10-13T00:00:00.000Z",
            "problemTypes": [
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                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-502",
                            "description": "Deserialization of Untrusted Data",
                            "type": "CWE"
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                    ]
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            ],
            "affected": [
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                    "defaultStatus": "unaffected",
                    "vendor": "xorbitsai",
                    "product": "xoscar",
                    "packageURL": "pkg:github/xorbitsai/xoscar",
                    "repo": "https://github.com/xorbitsai/xoscar",
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                            "status": "affected",
                            "version": "0.1.0",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.11.2"
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                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
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                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
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                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
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                        "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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            "references": [
                {
                    "url": "https://github.com/xorbitsai/xoscar/blob/v0.11.2/python/xoscar/serialization/core.pyx#L260",
                    "name": "Vulnerable Sink"
                },
                {
                    "url": "https://github.com/xorbitsai/xoscar/blob/v0.11.2/python/xoscar/backends/communication/socket.py#L99-L104",
                    "name": "Unauthenticated Entry Point"
                },
                {
                    "url": "https://www.vulncheck.com/advisories/xorbits-xoscar-unauthenticated-deserialization-rce-via-actor-pool",
                    "name": "VulnCheck Advisory: Xorbits Xoscar 0.11.2 Unauthenticated Deserialization RCE via Actor Pool",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Valentin Lobstein (Chocapikk)",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "vulncheck"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-14T17:00:37.058721Z",
                                "id": "CVE-2026-49950",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
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                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
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