{"id":"CVE-2026-109226","title":"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","summary":"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…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-409"],"published":"2026-10-12","updated":"2026-10-13","sourceUpdated":"2026-10-13T19:18:13.833","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109226","references":[{"url":"https://github.com/sgl-project/sglang","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/multimodal/audio_from_video.py#L128","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/multimodal/processors/base_processor.py#L996","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/utils/common.py#L1783","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/utils/common.py#L1801-L1803","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sgl-project/sglang/issues/43708","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/sglang-through-0.5.21-audio-decompression-amplification-via-load-audio","label":"disclosure@vulncheck.com"},{"url":"https://github.com/sgl-project/sglang/issues/43708","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00555,"epssPercentile":0.4609,"ingestedAt":"2026-10-12T14:50:34.121Z","vendor":"sgl-project","product":"sglang","affected":["sglang <= 0.5.21"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-13T18:23:46.746453Z"},"slug":"CVE-2026-109226","body":"## Overview\n\nSGLang 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":221067,"id":"CVE-2026-109226","ts":1792027057535,"field":"exploit_available","old":"false","new":"true"}]}