VULNERABILITY INTELLIGENCE
CVE-2026-15978
CVSS score7.5 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-07-30
Last modified2026-08-04
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-306
Primary references
- cret@cert.org — Broken Link
- cret@cert.org — Third Party Advisory, Mitigation
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — Third Party Advisory, Mitigation