Session Management Flaw in Mattermost Mobile Apps Affecting Multiple Versions
CVE-2025-30516

2LOW

Key Information:

Vendor

Mattermost
Status
Mattermost
Vendor
CVE Published:
14 April 2025

What is CVE-2025-30516?

The Mattermost Mobile Apps prior to version 2.25.0 possess a session management flaw that prevents the proper termination of user sessions upon logout, particularly under unstable connectivity conditions. This vulnerability allows unauthorized users on shared devices to gain access to sensitive notification content that should have been protected, posing a significant risk to user privacy and data security.

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Affected Version(s)

Mattermost 0 <= 2.25.0

Mattermost 2.26.0

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
2
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Physical
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Elias Nahum
JSON
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