Medium severity4.3NVD Advisory· Published Nov 11, 2026
CVE-2026-126807
CVE-2026-126807
Description
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.
Affected products
2Patches
Vulnerability mechanics
References
6- github.com/asternic/wuzapi/blob/v1.1.0/handlers.gonvd
- github.com/asternic/wuzapi/blob/v1.1.0/routes.gonvd
- github.com/asternic/wuzapi/commit/f5332fa21b7c8a742f9ee565328ea776ad0c8040nvd
- github.com/asternic/wuzapi/issues/407nvd
- hackmd.io/@hieund/wuzapi-chat-history-index-cross-tenant-idornvd
- www.vulncheck.com/advisories/wuzapi-through-1.1.0-cross-tenant-information-disclosure-via-chat-historynvd
News mentions
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