CyberRota Analysis
This is a low severity vulnerability with a CVSS score of 3.7. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.
CVE
CVE-2026-4273
Severity
LOW
CVSS
3.7
EPSS
0.14%
Original NVD Description
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to validate that the RefreshedToken differs from the original invite token during remote cluster invite confirmation which allows an authenticated attacker to bypass token rotation and reuse the original invite token via sending a crafted invite confirmation with a RefreshedToken matching the original token. Mattermost Advisory ID: MMSA-2026-00575
Related CVEs
Other vulnerabilities affecting the same vendor(s)