CVE-2026-15978

UNKNOWN 0.0

CVE-2026-15978

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	sglang
Product	sglang
Published	Jul 30, 2026

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Affected Versions

SGLang / SGLang

0 ≤ v0.5.15

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/sgl-project/sglang/security/advisories/GHSA-cpqq-22v3-2wfm thoughts.apoorvdayal.com: https://thoughts.apoorvdayal.com/posts/sglang-disclosures/