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Mattermost fails to filter invite IDs based on user permissions

🗓️ 16 Mar 2026 15:30:43Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 24 Views

Mattermost fails to filter invite IDs by permissions, enabling leaked invites to create unauthorized accounts during team creation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-2463
16 Mar 202611:13
–attackerkb
bdu_fstec
BDU FSTEC
Mattermost Authentication Bypass
13 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-2463
16 Feb 202600:00
–circl
cnnvd
CNNVD
Mattermost security vulnerabilities
16 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-2463
16 Mar 202611:13
–cve
cvelist
Cvelist
CVE-2026-2463 Unauthorized access to invite ID during team creation
16 Mar 202611:13
–cvelist
euvd
EUVD
EUVD-2026-12385
16 Mar 202615:30
–euvd
mend
Mend
CVE-2026-2463
16 Mar 202611:13
–mend
nvd
NVD
CVE-2026-2463
16 Mar 202614:19
–nvd
osv_cve
osv_cve
CVE-2026-2463 Unauthorized access to invite ID during team creation
16 Mar 202611:13
–osv_cve
Rows per page
Vulners
Node
OR
mattermostmattermost-serverRange11.3.0-rc1–11.3.1go
mattermostmattermost-serverRange11.2.0-rc1–11.2.3go
mattermostmattermost-serverRange10.11.0-rc1–10.11.11go
mattermostmattermost-serverRange<5.3.2-0.20260105134819-cc427af41b2ago
mattermostmattermostRange<8.0.0-20260105134819-cc427af41b2ago

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17 Mar 2026 20:02Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.14.3
EPSS0.00173
SSVC
24