CompaniesMattermostMonthly reportsSeptember 2025
Mattermost in September 2025: incidents, uptime and changes
0incidents posted
0labelled major or critical
100%free of major/critical
100%free of any incident
0price changes
0notable page changes
Vendor-reported outage time 0 min, incident time 0 min. Derived from the incidents the vendor posted on its own status page, not measured by us. A minute counts as an outage minute when a major or critical incident (as the vendor labelled it) was open; incident minutes include minor ones too. Maintenance and incidents marked "no impact" are left out, overlapping incidents are merged, a resolved incident counts for at most 7 days, and one still open with no resolution counts for at most 24 hours. Last 90 days.
Incidents 0
Mattermost posted no incidents in September 2025.
CVEs published
- CVE-2025-9076 Mattermost Server exposes sensitive user credentials during shared channel membership synchronization (CVSS 6.5)
- CVE-2025-9078 Weak cache keys lead to post IDOR and link preview poisoning (CVSS 4.3)
- CVE-2025-9084 Open redirect in OAuth login (CVSS 3.1)
- CVE-2025-9072 One-Click Mattermost Account Takeover via Poisoned RelayState SAML Parameter (CVSS 7.6)
- CVE-2025-9079 Admin RCE via prepackaged plugins by way of misconfigured imports directory (CVSS 8.0)
- CVE-2025-9081 IDOR in board file download allows any user to download any file by UUID (CVSS 3.1)
Cite this
Mattermost posted 0 status incidents in September 2025 (0 major or critical); 0 price changes and 0 notable page changes observed.
- Title
- Mattermost in September 2025
- Vendor
- Mattermost
- Date
- URL
- https://rewindex.com/company/mattermost/2025/09