{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-123782","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-06T14:37:45.412Z","datePublished":"2026-11-06T15:00:59.182Z","dateUpdated":"2026-11-06T15:00:59.182Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-06T15:00:59.182Z"},"datePublic":"2026-11-02T00:00:00.000Z","title":"ChatWiki before 2.10.0 Cross-Tenant IDOR via SaveFormField and UpdateFormRequired","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Authorization Bypass Through User-Controlled Key","cweId":"CWE-639","type":"CWE"}]}],"affected":[{"vendor":"zhimaAi","product":"chatwiki","defaultStatus":"unaffected","packageURL":"pkg:github/zhimaAi/chatwiki","versions":[{"version":"0","lessThan":"2.10.0","status":"affected","versionType":"semver"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/zhimaAi/chatwiki/issues/182","tags":["issue-tracking"],"name":"GitHub Issue #182"},{"url":"https://github.com/zhimaAi/chatwiki","tags":["product"]},{"url":"https://github.com/zhimaAi/chatwiki/commit/81dd7a34be0322dd0881e1b8cfe85de337fdaf2b","name":"Fix merge commit (PR #183)","tags":["patch"]},{"url":"https://github.com/zhimaAi/chatwiki/commit/d1ca145e283e2cb652e0b1002d5f14d6a46671e3","name":"Fix commit d1ca145","tags":["patch"]},{"url":"https://github.com/zhimaAi/chatwiki/releases/tag/v2.10.0","name":"chatwiki v2.10.0 Release Notes","tags":["release-notes"]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L307-L352","name":"SaveFormField","tags":["technical-description"]},{"url":"https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L385-L411","name":"UpdateFormRequired","tags":["technical-description"]},{"url":"https://hackmd.io/@hieund/chatwiki-form-field-cross-tenant-idor","name":"Researcher write-up","tags":["technical-description"]},{"name":"VulnCheck Advisory: ChatWiki before 2.10.0 Cross-Tenant IDOR via SaveFormField and UpdateFormRequired","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/chatwiki-before-2.10.0-cross-tenant-idor-via-saveformfield-and-updateformrequired"}],"credits":[{"lang":"en","value":"HieuPenguinnn","type":"finder"},{"lang":"en","value":"hu19941107","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}