CVE-2026-109227: fallo de gravedad alta en sgl-project sglang
SGLang through 0.5.21 Memory Exhaustion DoS via Qwen-VL Video Preprocessing
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.7epss 0.5%
SGLang through 0.5.21 contains an unbounded memory allocation vulnerability in preprocess_video in qwen_vl.py that decodes frames at full source resolution before applying max_pixels limits. 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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Productos afectados
sgl-project · sglangCVEs relacionadas — sgl-project sglang
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-93688HIGHSGLang through 0.5.19 Unbounded Memory Allocation via bootstrap_roomEPSS 0.7%CVE-2026-93838HIGHSGLang through 0.5.20 Unbounded Memory Allocation via STAGING_REQ chunk_idxEPSS 0.7%CVE-2026-102634HIGHSGLang through 0.5.20 Denial of Service via Duplicate bootstrap_roomEPSS 0.6%CVE-2026-109226HIGHSGLang through 0.5.21 Audio Decompression Amplification via load_audioEPSS 0.6%CVE-2026-109229HIGHSGLang through 0.5.21 Decompression Bomb DoS via NanoNemotronVLImageProcessorEPSS 0.5%CVE-2026-109228HIGHSGLang through 0.5.21 Resource Budget Bypass via GLM-V Video ParametersEPSS 0.5%
Referencias
https://github.com/sgl-project/sglanghttps://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/multimodal/processors/qwen_vl.py#L267-L306https://github.com/sgl-project/sglang/issues/43710https://www.vulncheck.com/advisories/sglang-through-0.5.21-memory-exhaustion-dos-via-qwen-vl-video-preprocessing