Lucene search
K

Mattermost: Authenticated DoS through failure to prevent rendering of external SVGs on link embeds

🗓️ 25 Mar 2026 18:31:48Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 15 Views

Mattermost suffers authenticated denial of service by rendering external SVGs in link embeds, crashing web and desktop apps.

Related
Detection
Refs
Vulners
Node
mattermostmattermostRange10.11.0-rc110.11.2go
OR
mattermostmattermostRange8.0.0-20260105080200-d27a2195068d8.0.0-20260217110922-b7d4a1f1f59bgo
OR
mattermostmattermostRange11.2.0-rc111.2.4go
OR
mattermostmattermostRange11.3.0-rc111.3.2go
OR
mattermostmattermostRange11.4.0-rc111.4.1go

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

30 Mar 2026 22:21Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.3 - 7.5
EPSS0.00351
SSVC
15