CVE-2025-30516

Unauthorized Notification Exposure in Mobile App Under Specific Conditions

Description

Mattermost Mobile Apps versions <=2.25.0  fail to terminate sessions during logout under certain conditions (e.g. poor connectivity), allowing unauthorized users on shared devices to access sensitive notification content via continued mobile notifications

Remediation

Solution:

  • Update Mattermost Mobile Apps to versions 2.26.0 or higher.

Category

2.0
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.02%
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates

Frequently Asked Questions

What is the severity of CVE-2025-30516?
CVE-2025-30516 has been scored as a low severity vulnerability.
How to fix CVE-2025-30516?
To fix CVE-2025-30516: Update Mattermost Mobile Apps to versions 2.26.0 or higher.
Is CVE-2025-30516 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-30516 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-30516?
CVE-2025-30516 affects Mattermost Mattermost.
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