Remote Code Execution Vulnerability in SGLang Multimodal Generation Module
CVE-2026-3059

9.8CRITICAL

Key Information:

Vendor

Sglang

Status
Sglang
Vendor
CVE Published:
12 March 2026

What is CVE-2026-3059?

The multimodal generation module in SGLang is exposed to a critical vulnerability that allows unauthenticated remote code execution. This issue arises from the ZMQ broker which improperly deserializes untrusted data using the pickle.loads() function, leading to potential exploitation by malicious actors. Users must be aware of this vulnerability for securing their systems against unauthorized code execution risks.

Affected Version(s)

SGLang 0.5.10

References

https://github.com/sgl-project/sglang/security/advisories...
https://github.com/sgl-project/sglang/blob/main/python/sg...
https://orca.security/resources/blog/sglang-llm-framework...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.