{"id":"CVE-2026-123782","published":"2026-11-06T15:17:20.910","lastModified":"2026-11-09T23:17:16.240","description":"ChatWiki before 2.10.0 contains an insecure direct object reference vulnerability in SaveFormField and UpdateFormRequired that allows authenticated users to modify other tenants' form fields. Attackers can pass their own form_id to satisfy the ownership check alongside another tenant's sequential form_field id to alter field names, descriptions, types and required flags, disrupting how submitted entries are stored.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/zhimaAi/chatwiki","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L307-L352","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L385-L411","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/commit/81dd7a34be0322dd0881e1b8cfe85de337fdaf2b","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/commit/d1ca145e283e2cb652e0b1002d5f14d6a46671e3","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/issues/182","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/releases/tag/v2.10.0","tags":[]},{"url":"https://hackmd.io/@hieund/chatwiki-form-field-cross-tenant-idor","tags":[]},{"url":"https://www.vulncheck.com/advisories/chatwiki-before-2.10.0-cross-tenant-idor-via-saveformfield-and-updateformrequired","tags":[]}],"exploitRefs":[{"url":"https://github.com/zhimaAi/chatwiki","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L307-L352","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L385-L411","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/commit/81dd7a34be0322dd0881e1b8cfe85de337fdaf2b","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/commit/d1ca145e283e2cb652e0b1002d5f14d6a46671e3","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/issues/182","tags":[]},{"url":"https://github.com/zhimaAi/chatwiki/releases/tag/v2.10.0","tags":[]}],"hasPoc":true,"ai":null}