EUVD-2026-30756
Insufficiently Protected Credentials (CWE-522)
GHSA-wvgv-4fc3-2rcp
6.5
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Lifecycle Timeline
1
Analysis Generated
May 18, 2026 - 09:33 vuln.today
DescriptionNVD
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail prevent disclosure of created user password which allows a malicious attacker to impersonate a user via the use of some of those passwords.. Mattermost Advisory ID: MMSA-2026-00614
AnalysisAI
Password disclosure in Mattermost Server versions 11.5.0-11.5.1, 10.11.0-10.11.13, and 11.4.0-11.4.3 allows high-privilege administrators to view newly created user credentials, enabling impersonation attacks. The CVSS score of 6.5 reflects medium severity, requiring high-privilege access (PR:H) but offering network-based exploitation (AV:N) with low complexity (AC:L). …
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