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The vulnerability of the Mattermost instant messaging application relates to an overly restrictive mechanism for blocking user accounts. This allows a malicious actor to disclose protected information and block external LDAP accounts.
🗓️ 17 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 20 |
|---|---|---|---|---|
 | CVE-2025-31947 | 15 May 202511:36 | – | circl |
 | Mattermost 安全漏洞 | 15 May 202500:00 | – | cnnvd |
 | Mattermost has an unspecified vulnerability | 20 May 202500:00 | – | cnvd |
 | CVE-2025-31947 | 15 May 202510:41 | – | cve |
 | CVE-2025-31947 Repeated LDAP login failures can lock an LDAP account | 15 May 202510:41 | – | cvelist |
 | EUVD-2025-15150 | 3 Oct 202520:07 | – | euvd |
 | Mattermost Fails to Lockout LDAP Users After Repeated Login Failures | 15 May 202512:30 | – | github |
 | CVE-2025-31947 | 15 May 202511:15 | – | nvd |
 | govulncheck-vulndb-0.0.20250523T151856-1.1 on GA media (moderate) | 27 May 202500:00 | – | opensuse |
 | GHSA-QGWX-RFFP-6CX9 Mattermost Fails to Lockout LDAP Users After Repeated Login Failures | 15 May 202512:30 | – | osv |
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17 Dec 2025 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 25
CVSS 35.8
EPSS0.00287