Mattermost security vulnerabilities
🗓️ 22 May 2026 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd🔗 www.cnnvd.org.cn👁 27 Views
| Reporter | Title | Published | Views | Family All 19 |
|---|---|---|---|---|
 | CVE-2026-5308 | 22 May 202610:20 | – | attackerkb |
 | Mattermost Uncontrolled Resource Consumption DoS | 1 Jun 202600:00 | – | bdu_fstec |
 | CVE-2026-5308 | 22 May 202612:43 | – | circl |
 | CVE-2026-5308 | 22 May 202610:20 | – | cve |
 | CVE-2026-5308 Missing request body size limits on Zoom plugin HTTP endpoints | 22 May 202610:20 | – | cvelist |
 | EUVD-2026-31425 | 22 May 202610:20 | – | euvd |
 | Mattermost doesn't enforce request body size limits on plugin HTTP endpoints | 26 May 202613:30 | – | github |
 | CVE-2026-5308 | 22 May 202610:20 | – | mend |
 | CVE-2026-5308 | 22 May 202611:16 | – | nvd |
 | CVE-2026-5308 Missing request body size limits on Zoom plugin HTTP endpoints | 22 May 202610:20 | – | osv_cve |
10
| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
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
02 Jun 2026 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 3.14.9 - 7.5
EPSS0.00254
SSVC