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CVE-2026-9693: Incomplete Cleanup

🗓️ 17 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 10 Views

Incomplete cleanup in Mattermost 10.11.x and 11.7.x lets users view private thread content.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-9693
17 Aug 202622:07
–attackerkb
cve
CVE
CVE-2026-9693
17 Aug 202622:07
–cve
cvelist
Cvelist
CVE-2026-9693 Mattermost thread memberships persist after team removal, exposing private channel thread metadata on re-invite
17 Aug 202622:07
–cvelist
euvd
EUVD
EUVD-2026-60542
18 Aug 202600:30
–euvd
mend
Mend
CVE-2026-9693
17 Aug 202622:07
–mend
ncsc
NCSC
Vulnerabilities in Mattermost
19 Aug 202606:34
–ncsc
nvd
NVD
CVE-2026-9693
17 Aug 202623:16
–nvd
osv_mini
osv_mini
MINI-8R5Q-GF4G-XVMW
20 Aug 202613:47
–osv_mini
osv_mini
osv_mini
MINI-V74C-X4CR-8XRP
20 Aug 202613:47
–osv_mini
ptsecurity
Positive Technologies
PT-2026-76875
17 Aug 202600:00
–ptsecurity
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19 Aug 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.13.5
EPSS0.00271
SSVC
10