id: PYSEC-2026-539
published: "2026-06-29T11:50:45.317059Z"
modified: "2026-07-01T20:23:05.016272Z"
aliases:
- CVE-2026-3059
- GHSA-rgq9-fqf5-fv58
summary: SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker
details: 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:
- package:
    name: sglang
    ecosystem: PyPI
    purl: pkg:pypi/sglang
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 0.5.10
  versions:
  - 0.1.10
  - 0.1.11
  - 0.1.12
  - 0.1.13
  - 0.1.14
  - 0.1.15
  - 0.1.16
  - 0.1.17
  - 0.1.18
  - 0.1.19
  - 0.1.20
  - 0.1.21
  - 0.1.22
  - 0.1.24
  - 0.1.25
  - 0.1.26
  - 0.1.3
  - 0.1.4
  - 0.1.5
  - 0.1.6
  - 0.1.7
  - 0.1.9
  - 0.2.0
  - 0.2.1
  - 0.2.10
  - 0.2.11
  - 0.2.12
  - 0.2.13
  - 0.2.14
  - 0.2.14.post1
  - 0.2.14.post2
  - 0.2.15
  - 0.2.2
  - 0.2.3
  - 0.2.4
  - 0.2.5
  - 0.2.6
  - 0.2.7
  - 0.2.8
  - 0.2.9
  - 0.2.9.post1
  - 0.3.0
  - 0.3.1
  - 0.3.1.post1
  - 0.3.1.post2
  - 0.3.1.post3
  - 0.3.2
  - 0.3.3
  - 0.3.3.post1
  - 0.3.4
  - 0.3.4.post1
  - 0.3.4.post2
  - 0.3.5
  - 0.3.5.post1
  - 0.3.5.post2
  - 0.3.6
  - 0.3.6.post1
  - 0.3.6.post2
  - 0.3.6.post3
  - 0.4.0
  - 0.4.0.post1
  - 0.4.0.post2
  - 0.4.1
  - 0.4.1.post1
  - 0.4.1.post2
  - 0.4.1.post3
  - 0.4.1.post4
  - 0.4.1.post5
  - 0.4.1.post6
  - 0.4.1.post7
  - 0.4.10
  - 0.4.10.post1
  - 0.4.10.post2
  - 0.4.2
  - 0.4.2.post1
  - 0.4.2.post2
  - 0.4.2.post3
  - 0.4.2.post4
  - 0.4.3
  - 0.4.3.post1
  - 0.4.3.post2
  - 0.4.3.post3
  - 0.4.3.post4
  - 0.4.4
  - 0.4.4.post1
  - 0.4.4.post2
  - 0.4.4.post3
  - 0.4.4.post4
  - 0.4.5
  - 0.4.5.post1
  - 0.4.5.post2
  - 0.4.5.post3
  - 0.4.6
  - 0.4.6.post1
  - 0.4.6.post2
  - 0.4.6.post3
  - 0.4.6.post4
  - 0.4.6.post5
  - 0.4.7
  - 0.4.7.post1
  - 0.4.8
  - 0.4.8.post1
  - 0.4.9
  - 0.4.9.post1
  - 0.4.9.post2
  - 0.4.9.post3
  - 0.4.9.post4
  - 0.4.9.post5
  - 0.4.9.post6
  - 0.5.0rc0
  - 0.5.0rc1
  - 0.5.0rc2
  - 0.5.1
  - 0.5.1.post1
  - 0.5.1.post2
  - 0.5.1.post3
  - 0.5.10rc0
  - 0.5.2
  - 0.5.2rc0
  - 0.5.2rc1
  - 0.5.2rc2
  - 0.5.3
  - 0.5.3.post1
  - 0.5.3.post2
  - 0.5.3.post3
  - 0.5.3rc0
  - 0.5.3rc2
  - 0.5.4
  - 0.5.4.post1
  - 0.5.4.post2
  - 0.5.4.post3
  - 0.5.5
  - 0.5.5.post1
  - 0.5.5.post2
  - 0.5.5.post3
  - 0.5.6
  - 0.5.6.post1
  - 0.5.6.post2
  - 0.5.7
  - 0.5.8
  - 0.5.8.post1
  - 0.5.9
references:
- type: WEB
  url: https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr
- type: ADVISORY
  url: https://nvd.nist.gov/vuln/detail/CVE-2026-3059
- type: WEB
  url: https://github.com/sgl-project/sglang/pull/20904
- type: PACKAGE
  url: https://github.com/sgl-project/sglang
- type: WEB
  url: https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py
- type: WEB
  url: https://github.com/sgl-project/sglang/releases/tag/v0.5.10
- type: WEB
  url: https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities
- type: PACKAGE
  url: https://pypi.org/project/sglang
- type: ADVISORY
  url: https://github.com/advisories/GHSA-rgq9-fqf5-fv58
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H