CVEvulnerability
CVE-2026-15978
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-30
- Last modified
- 2026-08-04
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-306
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.
Affected configurations
• lmsys sglang (<= 0.5.15)
Related
Weakness · CWE (1)
- CWE-306 Missing Authentication for Critical Functionality weakness
References
- https://github.com/sgl-project/sglang/security/advisories/GHSA-cpqq-22v3-2wfm Broken Link
- https://thoughts.apoorvdayal.com/posts/sglang-disclosures/ Third Party Advisory, Mitigation
- https://thoughts.apoorvdayal.com/posts/sglang-disclosures/ Third Party Advisory, Mitigation