VulnerabilityModified
CVE-2026-3059
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.
CRITICAL 9.8EPSS 1.53%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.53% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- lmsys/sglang
- Source
- cret@cert.org
References
- https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.pyProduct
- 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-c6q2-94xrBroken Link
- https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/Exploit, Mitigation, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.