SGLangGHSA-rgq9-fqf5-fv58
SGLang: remote code execution
Critical9.8CVE-2026-3059 · Published Mar 12, 2026 · updated Jun 29, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| sglang PyPI | < 0.5.10 | 0.5.10 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-502
- Also known as
- CVE-2026-3059, GHSA-3cp7-c6q2-94xr, PYSEC-2026-539
- github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr
- nvd.nist.gov/vuln/detail/CVE-2026-3059
- github.com/sgl-project/sglang/pull/20904
- github.com/sgl-project/sglang
- github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py
- github.com/sgl-project/sglang/releases/tag/v0.5.10
- orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities
More SGLang advisories
All SGLang| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| May 18 | SGLang's multimodal generation runtime has an unauthenticated path traversal vulnerability Critical9.1May 18 | Critical9.1 | No fix yet |
| May 18 | SGLanG: Multimodal scheduler deserializes untrusted pickle data on 0.0.0.0 ROUTER socketCritical9.8May 18 | Critical9.8 | No fix yet |
| May 18 | SGLang: Unauthenticated RCE via --enable-custom-logit-processorCritical9.8May 18 | Critical9.8 | No fix yet |
| May 3 | SGLang has an Improper Input Validation/Injection IssueMedium5.6May 3 | Medium5.6 | No fix yet |
| Mar 12 | SGLang: unsafe deserializationHigh7.8Mar 12 | High7.8 | 0.5.10 |
| Mar 12 | SGLang: remote code executionCritical9.8Mar 12 | Critical9.8 | 0.5.10 |