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CVE-2026-26230: Incorrect Authorization

🗓️ 16 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 11 Views

Incorrect Authorization in Mattermost 10.11.x <= 10.11.10 allows admins to demote members.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-26230
16 Mar 202620:19
–attackerkb
bdu_fstec
BDU FSTEC
Mattermost Access Control Privilege Reduction
13 May 202600:00
–bdu_fstec
cnnvd
CNNVD
Mattermost security vulnerabilities
16 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-26230
16 Mar 202620:19
–cve
cvelist
Cvelist
CVE-2026-26230 Team Admin Privilege Escalation to Demote Members to Guest
16 Mar 202620:19
–cvelist
euvd
EUVD
EUVD-2026-12518
16 Mar 202621:34
–euvd
mend
Mend
CVE-2026-26230
16 Mar 202620:19
–mend
nvd
NVD
CVE-2026-26230
16 Mar 202621:16
–nvd
ptsecurity
Positive Technologies
PT-2026-25813
13 Feb 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-26230
16 Mar 202622:19
–redhatcve
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18 Mar 2026 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.13.8
EPSS0.00265
SSVC
11