Github.com/mattermost/mattermost-server
133 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Github.com/mattermost/mattermost-server, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Github.com/mattermost/mattermost-server CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 2 |
| 2025-04 | 1 |
| 2025-05 | 0 |
| 2025-06 | 7 |
| 2025-07 | 3 |
| 2025-08 | 9 |
| 2025-09 | 6 |
| 2025-10 | 6 |
| 2025-11 | 10 |
| 2025-12 | 3 |
| 2026-01 | 2 |
| 2026-02 | 6 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 133 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical12
- High16
- Medium82
- Low23
Latest CVEs
The 15 most recently published vulnerabilities affecting Github.com/mattermost/mattermost-server.
- CVE-2025-14573Team Admin Bypass of Invite Permissions via allow_open_invite Field3.8
- CVE-2025-14350Information disclosure via channel mentions in posts4.3
- CVE-2025-13821User profile update exposes password hash and MFA secrets5.7
- CVE-2026-0999Authentication bypass via userID login when email and username login are disabled5.4
- CVE-2026-20796Time-of-check time-of-use vulnerability in common teams API3.1
- CVE-2026-22892Insufficient Authorization in Mattermost Jira Plugin Allows Unauthorized Access to Post Attachments4.3
- CVE-2025-14435Application-Level DoS via infinite re-render loop in user profile handling6.8
- CVE-2025-14822DoS from quadratic complexity in model.ParseHashtags3.1
- CVE-2025-64641Mattermost Jira plugin crafted action leaks Jira issue details4.1
- CVE-2025-13767Unauthorized Read Access to Private Channel Posts via Mattermost Jira Plugin4.3
- CVE-2025-13324Lack of Invalidation of Legacy Remote Cluster Invite Tokens After Confirmation3.7
- CVE-2025-12421Account Takeover via Code Exchange Endpoint9.9
- CVE-2025-12559Information Disclosure in Common Teams API4.3
- CVE-2025-12419Account takeover on OAuth/OpenID-enabled servers9.9
- CVE-2025-55074Channel member objects leak read status3.0
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