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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Lmsys Sglang
cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*
|
0.5.5
|
<= 0.5.9
|
References 5
https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/ru…
cret@cert.org
https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr
cret@cert.org
https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/
cret@cert.org
https://github.com/sgl-project/sglang/pull/20904
cret@cert.org
https://github.com/sgl-project/sglang/releases/tag/v0.5.10
cret@cert.org