Vulners
Lucene search
CVE-2026-4273 Insufficient token rotation validation in remote cluster invite confirmation
| Reporter | Title | Published | Views | Family All 13 |
|---|---|---|---|---|
 | CVE-2026-4273 | 18 May 202606:56 | – | attackerkb |
 | CVE-2026-4273 | 18 May 202608:59 | – | circl |
 | Mattermost 安全漏洞 | 18 May 202600:00 | – | cnnvd |
 | CVE-2026-4273 | 18 May 202606:56 | – | cve |
 | EUVD-2026-30740 | 18 May 202606:56 | – | euvd |
 | Mattermost doesn't validate that the RefreshedToken differs from the original invite token during remote cluster invite confirmation | 18 May 202609:31 | – | github |
 | Mattermost Server 10.11.x <= 10.11.13 / 11.5.x <= 11.5.1 Multiple Vulnerabilities (MMSA-2026-00570 / MMSA-2026-00575 / MMSA-2026-00582 / MMSA-2026-00622) | 22 May 202600:00 | – | nessus |
 | CVE-2026-4273 | 18 May 202608:16 | – | nvd |
 | GHSA-HQPJ-F3JH-29VX Mattermost doesn't validate that the RefreshedToken differs from the original invite token during remote cluster invite confirmation | 18 May 202609:31 | – | osv |
 | PT-2026-41643 | 18 May 202600:00 | – | ptsecurity |
10
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.5.1",
"status": "affected",
"version": "11.5.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.13",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"version": "11.6.0",
"status": "unaffected"
},
{
"version": "11.5.2",
"status": "unaffected"
},
{
"version": "10.11.14",
"status": "unaffected"
}
]
}
]| 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
18 May 2026 06:56Current
CVSS 3.13.7
EPSS0.00033