{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86793", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-09-08T11:56:03.107Z", "datePublished": "2026-09-11T11:35:20.812Z", "dateUpdated": "2026-09-11T11:35:20.812Z"}, "containers": {"cna": {"title": "CVE-2026-86793", "descriptions": [{"lang": "en", "value": "SGLang allows unauthenticated pickle deserialization through /update_weights_from_tensor when no auth keys are configured, and the SafeUnpickler policy can be bypassed because builtins.import and builtins.getattr are resolvable, enabling code execution via pickle REDUCE."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "SGLang", "product": "SGLang", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "0.5.18", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}], "references": [{"url": "https://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/"}, {"url": "https://github.com/sgl-project/sglang/tree/main"}], "x_generator": {"engine": "VINCE 3.0.45", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-86793"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-09-11T11:35:20.812Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "SGLang", "vendor": "SGLang", "versions": [{"lessThanOrEqual": "0.5.18", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SGLang allows unauthenticated pickle deserialization through /update_weights_from_tensor when no auth keys are configured, and the SafeUnpickler policy can be bypassed because builtins.import and builtins.getattr are resolvable, enabling code execution via pickle REDUCE."}], "id": "CVE-2026-86793", "lastModified": "2026-09-11T12:16:52.427", "metrics": {}, "published": "2026-09-11T12:16:52.427", "references": [{"source": "cret@cert.org", "url": "https://github.com/sgl-project/sglang/tree/main"}, {"source": "cret@cert.org", "url": "https://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Received"}

{}

{"created": "2026-09-11T12:30:08.102381+00:00", "title": "Unauthenticated Pickle Deserialization Evasion Leading to Remote Code Execution in SGLang", "updated": "2026-09-11T12:30:08.102394+00:00", "vendors": [], "weaknesses": ["CWE-502"]}