high7.7
CVE-2026-74869
stoatchat before 0.15.0 contains a missing authorization vulnerability in the Subscribe message handler that allows authenticated attackers to enumerate member…
Impact
stoatchat before 0.15.0 contains a missing authorization vulnerability in the Subscribe message handler that allows authenticated attackers to enumerate members and monitor profile updates of private servers without membership. Attackers can subscribe to any server's member-update topic by sending a Subscribe message with an arbitrary server ID, receiving live UserUpdate events including display names, avatars, and status changes for members they should not have access to.
Affected products
| Product | Affected versions |
|---|---|
| Stoatchat | before 0.15.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.