GHSA-4fxq-6r94-mchmHighCVSS 7.5
SGLang through 0.5.21 contains an unbounded memory allocation vulnerability that allows...
🔗 CVE IDs covered (1)
📋 Description
SGLang through 0.5.21 contains an unbounded memory allocation vulnerability that allows unauthenticated remote attackers to exhaust memory by uploading oversized files to /v1/audio/transcriptions. Attackers can send concurrent large multipart uploads, which are fully read into memory before validation, to crash the HTTP/tokenizer worker and deny service.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-109225
- https://github.com/sgl-project/sglang/issues/43709
- https://github.com/sgl-project/sglang
- https://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/entrypoints/http_server.py#L1847-L1871
- https://www.vulncheck.com/advisories/sglang-through-0.5.21-memory-exhaustion-dos-via-v1-audio-transcriptions-upload
- https://github.com/advisories/GHSA-4fxq-6r94-mchm