CVE-2026-3495

CVSS Score & Metrics

Base Score

3.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N                                    

Vulnerability Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to escape some variables that could contain malicious content during error page composition which allows an attacker with access to edit some site configuration to execute some malicious code via injecting some JS as part of those values.. Mattermost Advisory ID: MMSA-2026-00622

Vulnerability Details

Published Date

May 18, 2026

Last Modified

May 19, 2026

CWE ID

CWE-79

Source

NVD

Vendor

mattermost

Product

mattermost_server

External References

https://mattermost.com/security-updates

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

Discussion (0)

Add Comment