[ CVE-2026-109229 · Published 12 Oct 2026 ]
Vulnerability in sgl-project sglang
CVSS 7.5
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official description
SGLang through 0.5.21 contains a denial of service vulnerability that disables Pillow decompression bomb protection process-wide by setting Image.MAX_IMAGE_PIXELS to None in NanoNemotronVLImageProcessor. Remote attackers can submit small, highly compressed images with huge dimensions to the generic image loader, exhausting worker memory during decoding.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/sgl-project/sglang
- github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/multimodal/processors/nano…
- github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/utils/common.py
- github.com/sgl-project/sglang/issues/43707
- www.vulncheck.com/advisories/sglang-through-0.5.21-decompression-bomb-dos-via-nanonemot…