CVE-2026-109226

High

Description

SGLang through 0.5.21 contains a decompression amplification vulnerability in load_audio that allows remote attackers to exhaust memory by submitting highly compressed audio decoded without duration or sample limits. Attackers can supply small FLAC-encoded silence files through audio_url or audio_data inputs that expand into massive PCM buffers, exhausting worker memory and CPU for denial of service.

SeverityHigh
CVSS7.5
Exploit probability—
ProductSgl-project Sglang
PublishedOct 12, 2026
First seenOct 12, 2026
Weakness typeCWE-409CWE-409

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
sgl-project sglangv ≤ 0.5.21—

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