{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15978", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-07-16T15:41:50.504Z", "datePublished": "2026-07-30T18:08:29.228Z", "dateUpdated": "2026-07-30T18:08:29.228Z"}, "containers": {"cna": {"title": "CVE-2026-15978", "descriptions": [{"lang": "en", "value": "SGLang contains a model weight exfiltration vulnerability when no API keys are configured, as SGLang will expose two endpoints that allow a remote attacker to trigger distributed weight broadcasting using NCCL and then triggering data transfer, attackers can exfiltrate all model weights."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "SGLang", "product": "SGLang", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "v0.5.15", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-306: Missing Authentication for Critical Function"}]}], "references": [{"url": "https://github.com/sgl-project/sglang/security/advisories/GHSA-cpqq-22v3-2wfm"}, {"url": "https://thoughts.apoorvdayal.com/posts/sglang-disclosures/"}], "x_generator": {"engine": "VINCE 3.0.43", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-15978"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-07-30T18:08:29.228Z"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,v0.5.15]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "SGLang", "source": "cna", "vendor": "SGLang"}, "product": "sglang", "vendor": "sglang"}], "created": "2026-07-30T20:15:05.101784+00:00", "updated": "2026-07-30T20:15:05.101823+00:00", "vendors": ["sglang", "sglang$PRODUCT$sglang"]}