CompaniesMattermostMonthly reportsNovember 2025
Mattermost in November 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 November 2025.
CVEs published
- CVE-2025-11777 Cross-team channel membership access (CVSS 3.1)
- CVE-2025-59480 Inadequate validation of SSO redirect credentials permits credential theft (CVSS 6.1)
- CVE-2025-11776 Guest user can discover archived public channels (CVSS 4.3)
- CVE-2025-41436 Unauthorized access to archived channel content via threads interface (CVSS 3.1)
- CVE-2025-55070 Lack of MFA enforcement in WebSocket connections (CVSS 6.5)
- CVE-2025-55073 MS Teams plugin OAuth allows editing arbitrary posts (CVSS 5.4)
- CVE-2025-11794 Password hash and MFA secret returned in user email verification endpoint (CVSS 4.9)
- CVE-2025-55074 Channel member objects leak read status (CVSS 3.0)
- CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers (CVSS 9.9)
- CVE-2025-12559 Information Disclosure in Common Teams API (CVSS 4.3)
- CVE-2025-12421 Account Takeover via Code Exchange Endpoint (CVSS 9.9)
Cite this
Mattermost posted 0 status incidents in November 2025 (0 major or critical); 0 price changes and 0 notable page changes observed.
- Title
- Mattermost in November 2025
- Vendor
- Mattermost
- Date
- URL
- https://rewindex.com/company/mattermost/2025/11