{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-111656",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-16T14:31:15.688Z",
        "datePublished": "2026-10-16T17:39:22.093Z",
        "dateUpdated": "2026-10-16T21:18:25.806Z"
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                "dateUpdated": "2026-10-16T17:39:22.093Z"
            },
            "datePublic": "2026-10-15T00:00:00.000Z",
            "title": "ChatWiki through 2.9.6 Cross-Tenant IDOR via Form Filter Management Endpoints",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Authorization Bypass Through User-Controlled Key",
                            "cweId": "CWE-639",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "zhimaAi",
                    "product": "chatwiki",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "2.9.6",
                            "status": "affected",
                            "versionType": "custom"
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                    ],
                    "packageURL": "pkg:github/zhimaAi/chatwiki",
                    "repo": "https://github.com/zhimaAi/chatwiki"
                }
            ],
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM"
                    }
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE",
                        "baseScore": 5.4,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://hackmd.io/@hieuPenguinnn/chatwiki-form-filter-cross-tenant-idor",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L878-L990",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/form.go#L1192-L1242",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: ChatWiki through 2.9.6 Cross-Tenant IDOR via Form Filter Management Endpoints",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/chatwiki-through-2.9.6-cross-tenant-idor-via-form-filter-management-endpoints"
                }
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                    "value": "hieuPenguinnn",
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            "x_generator": {
                "engine": "vulncheck-endgame"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-16T19:34:05.599637Z",
                                "id": "CVE-2026-111656",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-16T21:18:25.806Z"
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}