CVE-2026-15976

{"id": "CVE-2026-15976", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-15976", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-31T19:11:37.133631Z"}}], "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": "0", "versionType": "custom", "lessThanOrEqual": "v0.5.15"}]}]}], "published": "2026-07-30T19:17:08.793", "references": [{"url": "https://github.com/sgl-project/sglang/security/advisories/GHSA-wf98-gv64-5wrf", "tags": ["Broken Link"], "source": "cret@cert.org"}, {"url": "https://thoughts.apoorvdayal.com/posts/sglang-disclosures/", "tags": ["Third Party Advisory", "Mitigation"], "source": "cret@cert.org"}, {"url": "https://thoughts.apoorvdayal.com/posts/sglang-disclosures/", "tags": ["Third Party Advisory", "Mitigation"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "SGLang contains a RCE vulnerability when attempting to load model weights from a HuggingFace repository, specifically within the /update_weights_from_disk, where torch.load(..., weights_only=False) fallback enables pickle deserialization of .bin files."}], "lastModified": "2026-08-04T20:41:43.187", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D82F7821-70EE-4810-B91A-843F0972EEAE", "versionEndIncluding": "0.5.15"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}