CVE-2025-20630

Summary

CVE-2025-20630 is a vulnerability affecting Mattermost Mobile versions prior to 2.22.1. This issue arises from the mobile application's inability to handle posts with attachments containing fields that cannot be converted to a String. An attacker can exploit this weakness by crafting and sending such a post to a channel, leading to a crash in the mobile application. This vulnerability poses a potential risk for unauthorized access or data disclosure, and users are encouraged to upgrade their Mattermost Mobile apps to the latest version to mitigate this threat.

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