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CVE-2026-16047: Missing Authorization

🗓️ 17 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 11 Views

Authenticated users can discover private channel members in Mattermost via board linking.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-16047
17 Aug 202614:25
–attackerkb
cve
CVE
CVE-2026-16047
17 Aug 202614:25
–cve
cvelist
Cvelist
CVE-2026-16047 Board channel linking without read channel permission validation
17 Aug 202614:25
–cvelist
euvd
EUVD
EUVD-2026-60208
17 Aug 202614:25
–euvd
mend
Mend
CVE-2026-16047
17 Aug 202614:25
–mend
ncsc
NCSC
Vulnerabilities in Mattermost
19 Aug 202606:34
–ncsc
nvd
NVD
CVE-2026-16047
17 Aug 202615:16
–nvd
osv_mini
osv_mini
MINI-CH24-67JQ-R659
19 Aug 202613:48
–osv_mini
osv_mini
osv_mini
MINI-M82W-5VW2-J756
19 Aug 202613:48
–osv_mini
ptsecurity
Positive Technologies
PT-2026-76661
17 Aug 202600:00
–ptsecurity
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18 Aug 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.3
EPSS0.0027
SSVC
11