CVE-2026-3059CRITICAL 9.8EPSS p63.0%

CVE-2026-3059CVE-2026-3059

Description

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.16% probability of exploitation · percentile 63.0% · 2026-06-19T12:03:05Z
Published2026-03-12
Last modified2026-04-07

Underlying weaknesses· 1

CWE-502

References

  1. https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py
  2. https://github.com/sgl-project/sglang/pull/20904
  3. https://github.com/sgl-project/sglang/releases/tag/v0.5.10
  4. https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr
  5. https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/

1

TypeTargetConfidenceTier
WeaknessDeserialization of Untrusted Datacwe-5020%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.