{"id":"CVE-2026-111656","revision":"ef9b30955bc14ddc9048b36bd23d4015","records":[{"revision":"ef9b30955bc14ddc9048b36bd23d4015","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111656","aliases":[],"title":"ChatWiki through 2.9.6 Cross-Tenant IDOR via Form Filter Management Endpoints","description":"ChatWiki through 2.9.6 contains an insecure direct object reference vulnerability that allows authenticated users to access another tenant's form filters by supplying arbitrary form_id values. Attackers can send sequential form_id values to getFormFilterList, getFormFilterInfo and updateFormFilterSort to read filter rules and overwrite another tenant's filter sort order.","state":0,"publishedAt":"2026-10-16T17:39:22.093+00:00","modifiedAt":"2026-10-16T21:18:25.806+00:00","affected":[{"ecosystem":"Vendor product","name":"chatwiki","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"zhimaAi\",\n                    \"product\": \"chatwiki\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"2.9.6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/zhimaAi/chatwiki\",\n                    \"repo\": \"https://github.com/zhimaAi/chatwiki\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":5.4,"severity":"MEDIUM"}],"references":["https://hackmd.io/@hieuPenguinnn/chatwiki-form-filter-cross-tenant-idor","https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L878-L990","https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L1192-L1242","https://www.vulncheck.com/advisories/chatwiki-through-2.9.6-cross-tenant-idor-via-form-filter-management-endpoints"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111656","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111656","identifiers":["CVE-2026-111656"]},"retained":false,"historicalAffected":[]}],"coverage":[]}