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| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2026-4055 | 21 May 202607:13 | – | attackerkb |
 | The vulnerability of the Mattermost instant messaging application, related to deficiencies in authentication procedures, allows attackers to bypass existing security mechanisms. | 6 Jul 202600:00 | – | bdu_fstec |
 | Mattermost 安全漏洞 | 21 May 202600:00 | – | cnnvd |
 | CVE-2026-4055 | 21 May 202607:13 | – | cve |
 | CVE-2026-4055 Insufficient permission validation on cross-team playbook run creation | 21 May 202607:13 | – | cvelist |
 | EUVD-2026-31221 | 21 May 202607:13 | – | euvd |
 | Mattermost has an Incorrect Authorization issue | 21 May 202609:32 | – | github |
 | Mattermost Server 10.11.x < 10.11.17 / 11.5.x < 11.5.5 / 11.6.x < 11.6.2 Improper Authorization (MMSA-2026-00629) | 28 May 202600:00 | – | nessus |
 | CVE-2026-4055 | 21 May 202608:16 | – | nvd |
 | GHSA-6CFR-WP44-6QMV Mattermost has an Incorrect Authorization issue | 21 May 202609:32 | – | osv |
10
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08 Jul 2026 08:05Current
6Medium risk
Vulners AI Score6
CVSS 3.14.3
EPSS0.00152