{"id":"CVE-2026-111656","published":"2026-10-16T18:17:46.940","lastModified":"2026-10-16T22:17:21.820","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.","cvssScore":5.4,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L1192-L1242","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L878-L990","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/chatwiki-form-filter-cross-tenant-idor","tags":[]},{"url":"https://www.vulncheck.com/advisories/chatwiki-through-2.9.6-cross-tenant-idor-via-form-filter-management-endpoints","tags":[]}],"exploitRefs":[{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L1192-L1242","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L878-L990","tags":[]}],"hasPoc":true,"ai":null}