CVE-2025-30516
Unauthorized Notification Exposure in Mobile App Under Specific Conditions
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
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Unauthorized Notification Exposure in Mobile App Under Specific Conditions
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
- Record
CVE-2025-30516- CVSS 3.1
- 2.0 Low
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
EUVDEUVD-2025-10870
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
- Record
EUVD-2025-10870- CVSS 3.1
- 2.0 Low
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w8hx-xwgf-2m86
Mattermost Mobile Apps versions <=2.25.0 fail to terminate sessions during logout under certain...
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
- Record
GHSA-w8hx-xwgf-2m86- CVSS 3.1
- 2.0 Low
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2025-30516- CVSS 3.1
- 2.0 Low
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
OSV
Unauthorized Notification Exposure in Mobile App Under Specific Conditions
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
- Record
CVE-2025-30516- CVSS 3.1
- 2.0 Low
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-613
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-30516 is a low vulnerability (CVSS 2.0) in Mattermost, published April 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.