P4Verified

CVE-2026-109227: sglang 0 through 0.5.21

CVE-2026-109227. CVSS 3.1 base score 7.5 (GitHub Advisory Database).

Affected technology

sglang · 0 through 0.5.21
sgl-project

Description’s affected range: through 0.5.21

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote attackers can submit high-resolution videos to /v1/chat/completions on Qwen-VL deployments, and concurrent requests exhaust worker memory causing denial of service. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 12-Oct-2026 16:55 UTC

CWE: CWE-770
CCR priority: 30.0 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · GitHub Advisory Database
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-12 16:57:19.354142+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-12 16:54:24.294989+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-109227.html