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Improper Access Control

🗓️ 22 Apr 2026 08:43:55Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode🔗 sca.analysiscenter.veracode.com👁 5 Views

Improper access control exposes team emails to authenticated users via common_teams.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl		CVE-2025-12559
1 Dec 202515:25
–circl
CNNVD		Mattermost 安全漏洞
27 Nov 202500:00
–cnnvd
CVE		CVE-2025-12559
27 Nov 202516:36
–cve
Cvelist		CVE-2025-12559 Information Disclosure in Common Teams API
27 Nov 202516:36
–cvelist
EUVD		EUVD-2025-199831
27 Nov 202518:30
–euvd
Github Security Blog		Mattermost fails to sanitize team email addresses
27 Nov 202518:30
–github
Tenable Nessus		Mattermost Server 10.5.x <= 10.5.12 / 10.11.x <= 10.11.4 / 10.12.x <= 10.12.1 / 11.0.x <= 11.0.2 Multiple Vulnerabilities (CVE-2025-12421, MMSA-2025-00526, CVE-2025-12756)
10 Dec 202500:00
–nessus
NVD		CVE-2025-12559
27 Nov 202517:15
–nvd
OSV		GHSA-4G87-9X45-CX2H Mattermost fails to sanitize team email addresses
27 Nov 202518:30
–osv
OSV		GO-2025-4169 Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server
15 Dec 202520:33
–osv
Rows per page
Vulners
Node
mattermostgithub.com/mattermost/mattermost-serverRangev11.0.0–v11.0.2go
OR
mattermostgithub.com/mattermost/mattermost-serverRangev10.12.0–v10.12.1go
OR
mattermostgithub.com/mattermost/mattermost-serverRangev10.11.0–v10.11.4go
OR
mattermostgithub.com/mattermost/mattermost-serverRangev10.5.0–v10.5.12go
OR
mattermostgithub.com/mattermost/mattermost-serverRangev0.5.0–0.5.0go
OR
mattermostgithub.com/mattermost/mattermost-serverRange11.0.0–v11.0.1-rc2go
OR
mattermostgithub.com/mattermost/mattermost-serverMatch10.12.0go
OR
mattermostgithub.com/mattermost/mattermost-serverRange10.11.0–10.11.3go
OR
mattermostgithub.com/mattermost/mattermost-serverRange10.5.0–10.5.11go
OR
mattermostgithub.com/mattermost/mattermost-serverRange10.12.0–10.12.1go
OR
mattermostgithub.com/mattermost/mattermost-serverRange10.11.0–10.11.4go
OR
mattermostgithub.com/mattermost/mattermost-serverRange10.5.0–10.5.12go
OR
microsoftwindows_server_2008Range8.0.0-20240619142046-8181a9ddffc0–8.0.0-20250905150616-ba86dfc5876bgo
OR
microsoftwindows_server_2008Range8.0.0-20240619142046-8181a9ddffc0–8.0.0-20251013062617-7977e7e6dae3go

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03 Jun 2026 08:56Current
7.2High risk
Vulners AI Score7.2
CVSS 3.14.3
EPSS0.00042
SSVC
improper access controlteam emails exposureauthenticated userscommon teams endpointvulnerability
5