CVE-2025-20630: Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker…

PriorityP339high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

0.59%

44.1th percentile

Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost	<= <=2.22.0	—
mattermost	mattermost_mobile	< 2.23.0	2.23.0

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