{"id":"CVE-2026-86793","state":"PUBLISHED","title":"CVE-2026-86793","description":"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.","publishedAt":"2026-09-11T11:35:20.812Z","updatedAt":"2026-09-14T18:51:51.052Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["SGLang SGLang"],"affected":[{"vendor":"SGLang","product":"SGLang","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.5.18","versionType":"custom"}]}],"references":["https://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/","https://github.com/sgl-project/sglang/tree/main"],"weaknesses":["CWE-94"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86793.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86793","state":"PUBLISHED","datePublished":"2026-09-11T11:35:20.812Z","dateUpdated":"2026-09-14T18:51:51.052Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-09-08T11:56:03.107Z"},"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."}],"affected":[{"vendor":"SGLang","product":"SGLang","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.5.18","versionType":"custom"}]}],"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"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-09-11T11:35:20.812Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.45","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-86793"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-14T18:51:37.042701Z","id":"CVE-2026-86793","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","type":"CWE","lang":"en","description":"CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-14T18:51:51.052Z"}}]}}}