{"id":"CVE-2026-112267","aliases":["EUVD-2026-104306","GHSA-mg89-3m78-qwqg"],"status":"published","title":"SGLang through 0.5.22 SSRF via bootstrap_host and bootstrap_port on Decode Worker","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.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00423,"percentile":0.37058,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-10-19T13:55:16Z","modified":"2026-10-28T02:31:04Z","products":[{"vendor":"sgl-project","product":"sglang"}],"references":[{"url":"https://github.com/sgl-project/sglang/issues/45008","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/disaggregation/common/conn.py#L1157-L1181","tags":["technical-description","article"]},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/disaggregation/decode.py#L1150-L1175","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/sglang-through-0.5.22-ssrf-via-bootstrap-host-and-bootstrap-port-on-decode-worker","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112267","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mg89-3m78-qwqg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112267.json","tags":["advisory"]},{"url":"https://github.com/sgl-project/sglang","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-112267","title":"SGLang through 0.5.22 SSRF via bootstrap_host and bootstrap_port on Decode Worker","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.","status":"published","published":"2026-10-19T13:55:16.522Z","modified":"2026-10-19T19:36:30.282Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:44:40.64332Z"}],"euvd":[{"id":"EUVD-2026-104306","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.","status":"published","published":"2026-10-19T13:55:16Z","modified":"2026-10-19T19:36:30Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:48.157412Z"}],"ghsa":[{"id":"GHSA-mg89-3m78-qwqg","title":"SGLang through 0.5.22 in prefill/decode disaggregation mode contains a server-side request...","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.","status":"published","published":"2026-10-19T15:32:39Z","modified":"2026-10-19T15:32:41Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:13:57.629988Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-10-19T14:17:04.16Z","modified":"2026-10-19T20:17:53.24Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:13:00.83844Z"}],"osv":[{"id":"CVE-2026-112267","title":"SGLang through 0.5.22 SSRF via bootstrap_host and bootstrap_port on Decode Worker","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.","status":"published","published":"2026-10-19T13:55:16.522Z","modified":"2026-10-28T02:31:04.882295997Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:44:55.938017Z"}]}}