What’s Vulnerable › Vulnerabilities

CVE-2026-3059: CVE-2026-3059

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-12 · updated 2026-06-17
• Weakness: CWE-502

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.

Affected products

• SGLang: from 0.5.5 through 0.5.9

References

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

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