Lucene search
+L

Mattermost doesn't invalidate cached authentication state for active WebSocket connections during global session revocation

🗓️ 22 Jun 2026 15:30:46Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 17 Views

Mattermost through 11.7.0 fails to invalidate WebSocket auth during global session revocation.

Related
Detection
Refs

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

15 Sep 2026 19:51Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00334
SSVC
17