High severity · published Apr 14, 2025
CVE-2025-30516
Unauthorized Notification Exposure in Mobile App Under Specific Conditions
7.5
CVSS
0.3%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
through 2.25.0 · source: vendor
MM
Mattermost Mobile · Mattermost
before 2.26.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-30516
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-30516
Vendor Advisory
https://mattermost.com/security-updates
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