CVE-2026-126807
mediumWuzAPI through 1.1.0 contains a cross-tenant information disclosure vulnerability in the GetHistory handler that allows authenticated users to view other tenan…
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.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-11-11 21:16
Modified: 2026-11-11 21:16
NVD status: Received
Last synced 5 hours ago
Verified against the source API 2026-11-11 21:41 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/asternic/wuzapi/blob/v1.1.0/handlers.go#L7269-L7296 disclosure@vulncheck.com
- https://github.com/asternic/wuzapi/blob/v1.1.0/routes.go#L139 disclosure@vulncheck.com
- https://github.com/asternic/wuzapi/commit/f5332fa21b7c8a742f9ee565328ea776ad0c8040 disclosure@vulncheck.com
- https://github.com/asternic/wuzapi/issues/407 disclosure@vulncheck.com
- https://hackmd.io/@hieund/wuzapi-chat-history-index-cross-tenant-idor disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/wuzapi-through-1.1.0-cross-tenant-information-disclos... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 21:41 UTC · record ↗

