CVE-2026-126807
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Nov 11, 2026
Vendor
unknown
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.
References
- https://github.com/asternic/wuzapi/blob/v1.1.0/handlers.go#L7269-L7296
- https://github.com/asternic/wuzapi/blob/v1.1.0/routes.go#L139
- https://github.com/asternic/wuzapi/commit/f5332fa21b7c8a742f9ee565328ea776ad0c8040
- https://github.com/asternic/wuzapi/issues/407
- https://hackmd.io/@hieund/wuzapi-chat-history-index-cross-tenant-idor