{"id":"CVE-2026-111392","revision":null,"records":[{"revision":"ac78e9e0d38045f3986311e37abda06d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111392","aliases":[],"title":"SGLang through 0.5.21 KV Cache Poisoning via mm_hashes in /generate","description":"SGLang through 0.5.21 trusts caller-supplied mm_hashes values as the multimodal prefix-cache key, allowing remote attackers to poison cached KV entries across requests. Attackers can send a different image under a known or predicted hash via /generate to disclose another request's image content or corrupt victims' responses.","state":0,"publishedAt":"2026-10-16T17:38:44.867+00:00","modifiedAt":"2026-10-16T19:24:54.109+00:00","affected":[{"ecosystem":"Vendor product","name":"sglang","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sgl-project\",\n                    \"product\": \"sglang\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0.5.13\",\n                            \"lessThanOrEqual\": \"0.5.21\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/sgl-project/sglang\",\n                    \"repo\": \"https://github.com/sgl-project/sglang\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","score":4.8,"severity":"MEDIUM"}],"references":["https://github.com/sgl-project/sglang/issues/44641","https://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/managers/tokenizer_manager.py#L1183-L1215","https://github.com/sgl-project/sglang/blob/v0.5.21/python/sglang/srt/managers/io_struct.py#L205-L215","https://github.com/sgl-project/sglang/pull/44653","https://www.vulncheck.com/advisories/sglang-through-0.5.21-kv-cache-poisoning-via-mm-hashes-in-generate"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111392","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111392","identifiers":["CVE-2026-111392"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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