CVE-2026-112267
CVE-2026-112267 · SGLang through 0.5.22 SSRF via bootstrap_host and bootstrap_port on Decode Worker
This page contains facts from public vulnerability sources. Check the original advisory before updating.
SGLang through 0.5.22 in prefill/decode disaggregation mode contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger outbound requests via client-supplied bootstrap_host and bootstrap_port fields. Attackers sending crafted requests to the Decode worker's /generate endpoint can probe internal hosts and ports and block the shared scheduler loop, delaying other inference requests.
CVSS 6.9 · Medium · EPSS 0.4%
- Published
- Updated
Affected products and versions
sglang
- Versions
- ≥ 0, ≤ 0.5.22: Affected (semver)
No fix published
Original sources
- https://github.com/sgl-project/sglang/issues/45008
- https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/disaggregation/common/conn.py#L1157-L1181
- https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/disaggregation/decode.py#L1150-L1175
- https://www.vulncheck.com/advisories/sglang-through-0.5.22-ssrf-via-bootstrap-host-and-bootstrap-port-on-decode-worker
- https://nvd.nist.gov/vuln/detail/CVE-2026-112267