PT-2020-7995 · Mattermost · Mattermost Server

Published 2020-06-19 · Updated 2025-11-07 · CVE-2016-11066

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 3.2.0

Description: An issue was discovered in the Mattermost Server where the initial load API endpoint disclosed unnecessary personal information.

Recommendations: For versions prior to 3.2.0, update to version 3.2.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the initial load API endpoint until the update is applied.

Fix

Information Disclosure

Weakness Enumeration

CWE-359

CWE-200

Related Identifiers

CVE-2016-11066

GHSA-R93J-3MMP-PX57

GO-2025-4047

OPENSUSE-SU-2025:15710-1

Affected Products

Mattermost Server

References · 81

• https://osv.dev/vulnerability/CVE-2016-11066 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-11066 · Security Note
• https://osv.dev/vulnerability/GHSA-r93j-3mmp-px57 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15710-1 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-4047 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/f89e7c6d543a82d6078c2ca0f892914d7976a6f5 · Note
• https://suse.com/security/cve/CVE-2025-58356 · Note
• https://suse.com/security/cve/CVE-2025-61141 · Note
• https://suse.com/security/cve/CVE-2025-64102 · Note
• https://suse.com/security/cve/CVE-2025-62375 · Note
• https://suse.com/security/cve/CVE-2016-11074 · Note
• https://suse.com/security/cve/CVE-2025-58075 · Note
• https://suse.com/security/cve/CVE-2016-11072 · Note