CVE-2026-42553

Cinny is a Matrix client. Prior to 4.10.3, A remote authenticated attacker who shares a room with a victim and has permissions to create room emotes for example in a DM can cause the victim's client to send their Matrix access token to an attacker-controlled server. This occurs when the victim...

Cinny 输入验证错误漏洞

Cinny is a simple and secure instant messaging client developed by Cinny OpenSource. Versions of Cinny prior to 4.10.3 contained a vulnerability related to input validation errors. This vulnerability arose due to EmojiBoard using an untrusted pack.meta.avatar as a URL without validation, and...