{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126807", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-11T20:01:50.410Z", "datePublished": "2026-11-11T20:53:09.618Z", "dateUpdated": "2026-11-11T20:53:09.618Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-11T20:53:09.618Z"}, "datePublic": "2026-11-11T15:12:21.000Z", "title": "WuzAPI through 1.1.0 Cross-Tenant Information Disclosure via /chat/history", "descriptions": [{"lang": "en", "value": "WuzAPI through 1.1.0 contains a cross-tenant information disclosure vulnerability in the GetHistory handler that allows authenticated users to view other tenants' chat metadata. Attackers with message history enabled can request GET /chat/history with chat_jid=index to list every user's internal ID, stored chat JIDs, and last-message times."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "asternic", "product": "wuzapi", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "1.1.0", "versionType": "semver", "status": "affected"}], "packageURL": "pkg:golang/github.com/asternic/wuzapi"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "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:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/asternic/wuzapi/issues/407", "tags": ["issue-tracking"]}, {"url": "https://github.com/asternic/wuzapi/commit/f5332fa21b7c8a742f9ee565328ea776ad0c8040", "tags": ["patch"]}, {"url": "https://github.com/asternic/wuzapi/blob/v1.1.0/handlers.go#L7269-L7296", "tags": ["technical-description"]}, {"url": "https://github.com/asternic/wuzapi/blob/v1.1.0/routes.go#L139", "tags": ["technical-description"]}, {"url": "https://hackmd.io/@hieund/wuzapi-chat-history-index-cross-tenant-idor", "tags": ["third-party-advisory"]}, {"name": "VulnCheck Advisory: WuzAPI through 1.1.0 Cross-Tenant Information Disclosure via /chat/history", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/wuzapi-through-1.1.0-cross-tenant-information-disclosure-via-chat-history"}], "credits": [{"lang": "en", "value": "hieuPenguinnn", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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