Lucene search
+L

CVE-2026-8823

🗓️ 22 Jun 2026 16:16:42Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 30 Views

Mattermost fails to validate bot targets when demoting users to guests, enabling a low privilege admin to degrade bot accounts.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-8823
22 Jun 202613:41
attackerkb
cve
CVE
CVE-2026-8823
22 Jun 202613:41
cve
cvelist
Cvelist
CVE-2026-8823 User Manager can demote bot accounts to guest without bot-management permission
22 Jun 202613:41
cvelist
euvd
EUVD
EUVD-2026-38276
22 Jun 202613:41
euvd
ptsecurity
Positive Technologies
PT-2026-51345
22 Jun 202600:00
ptsecurity
snyk
Snyk
Incorrect Authorization
22 Jun 202616:20
snyk
snyk
Snyk
Incorrect Authorization
22 Jun 202616:20
snyk
vulnrichment
Vulnrichment
CVE-2026-8823 User Manager can demote bot accounts to guest without bot-management permission
22 Jun 202613:41
vulnrichment
NVD
Node
OR
mattermostmattermost_serverRange10.11.010.11.18
mattermostmattermost_serverRange11.7.011.7.1

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation