CVE-2026-74869 — stoatchat before 0.15.0 Missing Authorization via Subscribe
stoatchat before 0.15.0 contains a missing authorization vulnerability in the Subscribe message handler that allows authenticated attackers to enumerate members and monitor prof…
Published: 2026-08-17 · CVSS: 8.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7