Mattermost API Data Compromise
🗓️ 17 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 19 Views
| Reporter | Title | Published | Views | Family All 30 |
|---|---|---|---|---|
 | CVE-2025-11776 | 14 Nov 202509:08 | – | circl |
 | Mattermost 安全漏洞 | 14 Nov 202500:00 | – | cnnvd |
 | CVE-2025-11776 | 14 Nov 202507:58 | – | cve |
 | CVE-2025-11776 Guest user can discover archived public channels | 14 Nov 202507:58 | – | cvelist |
 | EUVD-2025-186558 | 14 Nov 202509:30 | – | euvd |
 | Mattermost fails to properly restrict access to archived channel search API | 14 Nov 202509:30 | – | github |
 | Mattermost Server < 11.0.0 Multiple Vulnerabilities (MMSA-2024-00337, MMSA-2025-00493, MMSA-2025-00540) | 20 Nov 202500:00 | – | nessus |
 | CVE-2025-11776 | 14 Nov 202507:58 | – | mend |
 | CVE-2025-11776 | 14 Nov 202508:15 | – | nvd |
 | CVE-2025-11776 | 14 Nov 202508:15 | – | osv_cve |
10
Node
| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
| web | www.web.nvd.nist.gov/view/vuln/detail |
| mattermost | www.mattermost.com/security-updates/ |
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17 Dec 2025 00:00Current
8.2High risk
Vulners AI Score8.2
CVSS 24
CVSS 34.3
EPSS0.00208