{"schema":"threatline.record/2","record":{"id":"CVE-2026-111656","aliases":[],"summary":"ChatWiki through 2.9.6 Cross-Tenant IDOR via Form Filter Management Endpoints","details":"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.","categories":["Unclassified"],"product":"chatwiki","vendor":"zhimaAi","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111656","source_modified_at":"2026-10-16T21:18:25.806Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"chatwiki","vendor":"zhimaAi","versions":[{"version":"0","lessThanOrEqual":"2.9.6","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00223,"percentile":0.12209,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:39:22.093Z","modified_at":"2026-10-16T21:18:25.806Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111656","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T21:18:25.806Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111656","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@hieuPenguinnn/chatwiki-form-filter-cross-tenant-idor","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L878-L990","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L1192-L1242","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/chatwiki-through-2.9.6-cross-tenant-idor-via-form-filter-management-endpoints","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-16T19:34:05.599637Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-16T21:18:25.806Z","content_hash":"4995a68d0f19dcbb3b820564efb9e0a562baca4dfc43afb73ef7eabda86f084f"}}