CVE-2026-15971

EUVD-2026-51262
SGLang contains an RCE vulnerability when the optional dumper subsystem is enabled, allowing for a sandbox escape when DUMPER_SERVER_PORT is set, enabling code execution on inference requests.
Eval Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 45.53%
Affected Products (NVD)
VendorProductVersion
lmsyssglang
𝑥
≤ 0.5.15
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/sgl-project/sglang/security/advisories/GHSA-h6rf-77vv-9mvj
https://thoughts.apoorvdayal.com/posts/sglang-disclosures/
https://thoughts.apoorvdayal.com/posts/sglang-disclosures/