Medium severity6.5NVD Advisory· Published Oct 19, 2026· Updated Oct 19, 2026
CVE-2026-112267
CVE-2026-112267
Description
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.
Affected products
1- Range: <=0.5.22
Patches
Vulnerability mechanics
References
4- github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/disaggregation/common/conn.pynvd
- github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/disaggregation/decode.pynvd
- github.com/sgl-project/sglang/issues/45008nvd
- www.vulncheck.com/advisories/sglang-through-0.5.22-ssrf-via-bootstrap-host-and-bootstrap-port-on-decode-workernvd
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