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The vulnerability of the Mattermost instant messaging application relates to the redirection of the URL to an unreliable website, allowing a hacker to redirect users to any given URL address.
🗓️ 25 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 15 |
|---|---|---|---|---|
 | CVE-2025-62690 | 17 Dec 202515:20 | – | circl |
 | Mattermost 安全漏洞 | 17 Dec 202500:00 | – | cnnvd |
 | CVE-2025-62690 | 17 Dec 202512:19 | – | cve |
 | CVE-2025-62690 Open redirect in error page when link opened in new tab | 17 Dec 202512:19 | – | cvelist |
 | EUVD-2025-203890 | 17 Dec 202515:34 | – | euvd |
 | Mattermost has missing redirect URL validation | 17 Dec 202515:34 | – | github |
 | CVE-2025-62690 | 17 Dec 202513:15 | – | nvd |
 | GHSA-Q66G-Q98C-Q454 Mattermost has missing redirect URL validation | 17 Dec 202515:34 | – | osv |
| GO-2025-4248 Mattermost has missing redirect URL validation in github.com/mattermost/mattermost | 14 Jan 202619:15 | – | osv |
| SUSE-SU-2026:0142-1 Security update for govulncheck-vulndb | 17 Jan 202607:33 | – | osv |
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25 Dec 2025 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 22.6
CVSS 33.1
EPSS0.00125