CompaniesMattermostMonthly reportsOctober 2025
Mattermost in October 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 October 2025.
CVEs published
- CVE-2025-11579 DoS via Out Of Memory Crash (CVSS 5.3)
- CVE-2025-58084 Mattermost Desktop App crashes when clicking on malformed external URL (CVSS 3.5)
- CVE-2025-41443 Guest user can discover active public channels (CVSS 4.3)
- CVE-2025-54499 Insecure string comparison enables timing attacks (CVSS 3.1)
- CVE-2025-58075 Arbitrary Mattermost Team can be joined by manipulating the SAML RelayState (CVSS 8.1)
- CVE-2025-10545 Guest user can add unauthorized team users to private channels (CVSS 3.1)
- CVE-2025-41410 Slack import bypasses email verification for team access controls (CVSS 5.4)
- CVE-2025-58073 Arbitrary Mattermost Team can be joined by manipulating the OAuth state (CVSS 8.1)
- CVE-2025-55035 Mattermost Desktop DoS when user has basic authentication server configured (CVSS 6.1)
Cite this
Mattermost posted 0 status incidents in October 2025 (0 major or critical); 0 price changes and 0 notable page changes observed.
- Title
- Mattermost in October 2025
- Vendor
- Mattermost
- Date
- URL
- https://rewindex.com/company/mattermost/2025/10