CVE-2026-126807
WuzAPI through 1.1.0 Cross-Tenant Information Disclosure via /chat/history
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.
INFO
Published Date :
Nov. 11, 2026, 8:53 p.m.
Last Modified :
Nov. 11, 2026, 8:53 p.m.
Remotely Exploit :
Yes !
Source :
VulnCheck
Affected Products
The following products are affected by CVE-2026-126807
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 |
Solution
- Update WuzAPI to a version later than 1.1.0.
- Restrict access to chat history metadata.
- Review and enforce tenant isolation controls.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-126807 vulnerability anywhere in the article.