GitHub Advisoryadvisory · PyPI

GHSA-6m5f-673f-5vh7 SGLang has an Improper Input Validation/Injection Issue

MEDIUM Published 2026-05-03 Modified 2026-05-07 Official page ↗
Aliases
CVE-2026-7669
Ecosystem
PyPI
Packages
sglang
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weaknesses
CWE-20, CWE-74
Reviewed
2026-05-07

Affected packages

• PyPI sglang: <= 0.5.9 (no fix yet)

Description

A vulnerability was detected in sgl-project SGLang up to 0.5.9. Impacted is the function get_tokenizer of the file python/sglang/srt/utils/hf_transformers_utils.py of the component HuggingFace Transformer Handler. The manipulation results in deserialization. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitability is considered difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Related

Alias · CVE (1)

  • CVE-2026-7669 A vulnerability was detected in sgl-project SGLang up to 0.5.9. vulnerability

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness

References