CVE-2026-15978EPSS p41.0%

CVE-2026-15978CVE-2026-15978

lmsys / sglang

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.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS0.50% probability of exploitation · percentile 41.0% · 2026-10-05T12:00:23Z
Last modified2026-08-04
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.