Vulners
Lucene search
Mattermost does not verify remote cluster channel access when processing shared channel membership removals
| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2026-28759 | 18 May 202606:50 | – | attackerkb |
 | CVE-2026-28759 | 18 May 202608:34 | – | circl |
 | Mattermost 安全漏洞 | 18 May 202600:00 | – | cnnvd |
 | CVE-2026-28759 | 18 May 202606:50 | – | cve |
 | CVE-2026-28759 Insufficient authorization in shared channel membership sync allows remote cluster to remove users from arbitrary channels | 18 May 202606:50 | – | cvelist |
 | EUVD-2026-30738 | 18 May 202606:50 | – | euvd |
 | Mattermost Server 10.11.x <= 10.11.13 / 11.4.x <= 11.4.3 / 11.5.x <= 11.5.1 Multiple Vulnerabilities (MMSA-2026-00573 / MMSA-2026-00576 / MMSA-2026-00591 / MMSA-2026-00605 / MMSA-2026-00607 / MMSA-2026-00608 / MMSA-2026-00614 / MMSA-2026-00627) | 22 May 202600:00 | – | nessus |
 | CVE-2026-28759 | 18 May 202608:16 | – | nvd |
 | GHSA-8H9W-W78C-VVR3 Mattermost does not verify remote cluster channel access when processing shared channel membership removals | 18 May 202609:31 | – | osv |
 | PT-2026-41640 | 18 May 202600:00 | – | ptsecurity |
10
Node
OROROROR
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
01 Jun 2026 15:48Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00152
SSVC