Product Detail
MATTERMOST SERVER
https://mattermost.com/download/#server
Product Intelligence
Public Exploit/PoC Code :
17
CISA Actively Exploited :
0
Last Vulnerability Seen :
Jul. 13, 2026
Vulnerabilities
The following vulnerabilities are recorded
MATTERMOST SERVER product. You can click on the
vulnerability to view more details.
| Number | Published | CVE ID | Severity | CVSS Score | |
|---|---|---|---|---|---|
| 1 | Jun 12, 2026 | CVE-2026-6961 | HIGH |
7.6
|
|
| 2 | Jun 12, 2026 | CVE-2026-6739 | HIGH |
7.2
|
|
| 3 | Jun 12, 2026 | CVE-2026-6689 | MEDIUM |
4.3
|
|
| 4 | Jun 12, 2026 | CVE-2026-6046 | MEDIUM |
5.3
|
|
| 5 | Jun 12, 2026 | CVE-2026-3433 | MEDIUM |
4.3
|
|
| 6 | May 27, 2026 | CVE-2026-6957 | HIGH |
8.0
|
|
| 7 | May 25, 2026 | CVE-2026-4915 | MEDIUM |
6.5
|
|
| 8 | May 22, 2026 | CVE-2026-28735 | MEDIUM |
5.4
|
|
| 9 | May 22, 2026 | CVE-2026-5755 | MEDIUM |
6.5
|
|
| 10 | May 22, 2026 | CVE-2026-5740 | HIGH |
7.5
|
|
| 11 | May 22, 2026 | CVE-2026-5308 | HIGH |
7.5
|
|
| 12 | May 22, 2026 | CVE-2026-4646 | MEDIUM |
4.3
|
|
| 13 | May 22, 2026 | CVE-2026-4635 | MEDIUM |
6.5
|
|
| 14 | May 22, 2026 | CVE-2026-3636 | MEDIUM |
4.3
|
|
| 15 | May 22, 2026 | CVE-2026-3473 | HIGH |
7.1
|
|
| 16 | May 21, 2026 | CVE-2026-4858 | CRITICAL |
9.9
|
|
| 17 | May 21, 2026 | CVE-2026-22880 | MEDIUM |
6.1
|
|
| 18 | May 21, 2026 | CVE-2026-4055 | MEDIUM |
4.3
|
|
| 19 | May 18, 2026 | CVE-2026-6347 | HIGH |
7.6
|
|
| 20 | May 18, 2026 | CVE-2026-6346 | HIGH |
8.7
|