CVE-2026-15978

CVE-2026-15978

Published Jul 30, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Weaknesses CWE-306
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sglang
Sglang sglang
Vendors & Products Sglang
Sglang sglang
Type Values Removed Values Added
Description 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.
Title CVE-2026-15978
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Jul 31, 2026, 6:10 PM
Reserved
Jul 16, 2026, 3:41 PM
Status
Analyzed
Published
Jul 30, 2026, 7:17 PM
Modified
Aug 4, 2026, 8:40 PM