PT-2026-53608 · Pypi · Sglang

Published 2026-06-29 · Updated 2026-06-29

OSV

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Related Identifiers

PYSEC-2026-539

Affected Products

Sglang

References · 10

• https://osv.dev/vulnerability/PYSEC-2026-539 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3059 · Security Note
• https://github.com/sgl-project/sglang/releases/tag/v0.5.10 · Note
• https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py · Note
• https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr · Note
• https://github.com/sgl-project/sglang · Note
• https://github.com/sgl-project/sglang/pull/20904 · Note
• https://github.com/advisories/GHSA-rgq9-fqf5-fv58 · Note
• https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities · Note
• https://pypi.org/project/sglang · Note