CVE-2026-5760

{"id": "CVE-2026-5760", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5760", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-20T14:20:49.607107Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cret@cert.org", "affectedData": [{"vendor": "SGLang", "product": "SGLang", "versions": [{"status": "affected", "version": "8f3097e"}]}]}], "published": "2026-04-20T14:16:21.680", "references": [{"url": "https://github.com/Stuub/SGLang-0.5.9-RCE", "tags": ["Exploit", "Third Party Advisory"], "source": "cret@cert.org"}, {"url": "https://github.com/sgl-project/sglang/pull/23660", "tags": ["Issue Tracking", "Patch"], "source": "cret@cert.org"}, {"url": "https://www.kb.cert.org/vuls/id/915947", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "SGLang's reranking endpoint (/v1/rerank) achieves Remote Code Execution (RCE) when a model file containing a malcious tokenizer.chat_template is loaded, as the Jinja2 chat templates are rendered using an unsandboxed jinja2.Environment()."}], "lastModified": "2026-06-17T10:59:36.640", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "814CE296-5090-4928-9B62-B3B178F739E9", "versionEndExcluding": "0.5.11"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}