PT-2025-30028 · Mattermost · Mattermost

Published 2025-07-18 · Updated 2025-08-04 · CVE-2025-6227

Positive Technologies (AI Summary)

CVSS v3.1

3.1

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.x through 10.5.7 Mattermost versions 9.11.x through 9.11.16

Description Mattermost fails to negotiate a new token when accepting an invite. This allows a user who intercepts both the invite and the password to send synchronization payloads to the server that originally created the invite via the REST API.

Recommendations Update Mattermost to a version later than 10.5.7. Update Mattermost to a version later than 9.11.16.

Fix

Insufficiently Protected Credentials

Weakness Enumeration

CWE-522

Related Identifiers

CVE-2025-6227

GHSA-4FWJ-8595-WP25

GO-2025-3818

OPENSUSE-SU-2025:15405-1

Affected Products

Mattermost

References · 67

• https://osv.dev/vulnerability/GHSA-4fwj-8595-wp25 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-6227 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:15405-1 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-6227 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-3818 · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/fbf105f6ef8f6cd5a89f859f09a2d1216cd81c05 · Note
• https://suse.com/security/cve/CVE-2025-52996 · Note
• https://suse.com/security/cve/CVE-2025-47281 · Note
• https://suse.com/security/cve/CVE-2025-4922 · Note
• https://suse.com/security/cve/CVE-2025-3227 · Note
• https://suse.com/security/cve/CVE-2025-6227 · Note
• https://suse.com/security/cve/CVE-2025-47943 · Note
• https://suse.com/security/cve/CVE-2025-6233 · Note