CVE-2026-15969

EUVD-2026-51267
SGLang contains an unauthenticated RCE in /load_lora_adapter_from_tensors via bypass of SafeUnpickler’s incomplete denylist, allowing arbitrary command execution through crafted base64-encoded pickle payloads.
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: 70.48%
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-2wvm-gjg7-5jfm
https://thoughts.apoorvdayal.com/posts/sglang-disclosures/