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Mattermost Authentication Bypass

🗓️ 26 Jun 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 19 Views

Mattermost authentication flaw may allow remote attackers to access protected information.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-3228
20 Jun 202514:43
–circl
cnnvd
CNNVD
Mattermost 安全漏洞
20 Jun 202500:00
–cnnvd
cve
CVE
CVE-2025-3228
20 Jun 202514:31
–cve
cvelist
Cvelist
CVE-2025-3228 Unauthorized Guest user access to Playbook
20 Jun 202514:31
–cvelist
euvd
EUVD
EUVD-2025-18757
3 Oct 202520:07
–euvd
github
Github Security Blog
Mattermost allows an unauthorized Guest user access to Playbook
20 Jun 202515:30
–github
mend
Mend
CVE-2025-3228
20 Jun 202514:31
–mend
nvd
NVD
CVE-2025-3228
20 Jun 202515:15
–nvd
osv_cve
osv_cve
CVE-2025-3228 Unauthorized Guest user access to Playbook
20 Jun 202514:31
–osv_cve
osv_ghsa
osv_ghsa
GHSA-4578-6GJH-F2JM Mattermost allows an unauthorized Guest user access to Playbook
20 Jun 202515:30
–osv_ghsa
Rows per page
Vulners
Node
OR
mattermostmattermostRange10.5.0–10.5.5
mattermostmattermostRange9.11.0–9.11.15
mattermostmattermostRange10.7.0–10.7.2
mattermostmattermostRange10.6.0–10.6.5

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13 Aug 2025 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 24
CVSS 34.3
EPSS0.00294
19