by Kastro
Paper/Archive/CVE-2026-3059

CVE-2026-3059

SGLang SGLang — CVE-2026-3059

EPSS 2%public exploitCVSS 9.8
critical.is priorityof 100
55
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 75.7.757 × 2015.1Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

Affected

ProductAffectedFixed inSource
SGLang0.5.10–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refgithub.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xrrefgithub.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.pyreforca.security/resources/blog/sglang-llm-framework-rce-vulnerabilitiesrefgithub.com/sgl-project/sglang/pull/20904refgithub.com/sgl-project/sglang/releases/tag/v0.5.10