The vulnerability of the Mattermost instant messaging application, which stems from the use of incorrect authentication tokens due to unlimited resource distribution, allows a hacker to cause a service failure.
🗓️ 30 Jan 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 4 Views
| Reporter | Title | Published | Views | Family All 108 |
|---|---|---|---|---|
 | CVE-2025-14822 | 16 Jan 202608:52 | – | attackerkb |
 | CVE-2025-14822 | 16 Jan 202611:25 | – | circl |
 | Mattermost security vulnerabilities | 16 Jan 202600:00 | – | cnnvd |
 | CVE-2025-14822 | 16 Jan 202608:52 | – | cve |
 | CVE-2025-14822 DoS from quadratic complexity in model.ParseHashtags | 16 Jan 202608:52 | – | cvelist |
 | EUVD-2026-2917 | 16 Jan 202608:52 | – | euvd |
 | Mattermost is vulnerable to CPU exhaustion via crafted HTTP request | 16 Jan 202609:31 | – | github |
 | CVE-2025-14822 | 16 Jan 202609:16 | – | nvd |
 | CVE-2025-14822 DoS from quadratic complexity in model.ParseHashtags | 16 Jan 202608:52 | – | osv |
| GHSA-9R42-RHW3-2222 Mattermost is vulnerable to CPU exhaustion via crafted HTTP request | 16 Jan 202609:31 | – | osv |
10
Node
| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
| web | www.web.nvd.nist.gov/view/vuln/detail |
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30 Jan 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 36.5
CVSS 26.8
EPSS0.00318