{"id":"CVE-2026-111702","revision":null,"records":[{"revision":"84c87d58a94244fd906756848e04c92c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111702","aliases":[],"title":"ChatOllama through commit 96c3ce5 IDOR Exposes Private Knowledge Bases","description":"ChatOllama through commit 96c3ce5 contains an insecure direct object reference vulnerability that allows remote attackers to access other users' private knowledge bases by supplying sequential ids. Attackers can enumerate ids via GET /api/knowledgebases/{id} or the knowledgebaseId parameter of POST /api/models/chat to read metadata and retrieved document content.","state":0,"publishedAt":"2026-10-16T17:39:55.104+00:00","modifiedAt":"2026-10-16T18:23:17.69+00:00","affected":[{"ecosystem":"Vendor product","name":"chat-ollama","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sugarforever\",\n                    \"product\": \"chat-ollama\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"96c3ce50c3ba4ec3b19f126f50c035f84183f9fc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/sugarforever/chat-ollama\",\n                    \"repo\": \"https://github.com/sugarforever/chat-ollama\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"}],"references":["https://hackmd.io/@hieuPenguinnn/chat-ollama-knowledge-base-cross-user-idor","https://github.com/sugarforever/chat-ollama/blob/6f4245a96b58ce8833a8c51d90d923b0e9814784/server/api/models/chat/index.post.ts#L392-L427","https://github.com/sugarforever/chat-ollama/blob/6f4245a96b58ce8833a8c51d90d923b0e9814784/server/api/knowledgebases/%5Bid%5D.get.ts#L25-L34","https://www.vulncheck.com/advisories/chatollama-through-commit-96c3ce5-idor-exposes-private-knowledge-bases"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111702","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111702","identifiers":["CVE-2026-111702"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-09T09:04:02.9162191+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T09:04:02.9162191+00:00","lastSuccessAt":"2026-11-09T09:04:03.197028+00:00","error":null,"lastVerifiedAt":"2026-11-09T09:04:03.1970284+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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