GHSA-fqrq-xmxj-v47x · Severity: medium · Ecosystem: go — Mattermost Fails to Properly Perform Viewer Role Authorization
Mattermost versions 9.11.x <= 9.11.8 fail to properly perform authorization of the Viewer role which allows an attacker with the Viewer role configured with No Access to Reporting to still view team and site statistics.
Conclusion & alert: CVE-2025-1472 is rated Low Risk (33.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-07 | 0.31% | 0.24% | -0.07% |
| 2 | 2026-04-29 | 0.22% | 0.31% | +0.09% |
| 3 | 2026-04-27 | — | 0.22% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | [email protected] |
GHSA-fqrq-xmxj-v47x · Severity: medium · Ecosystem: go — Mattermost Fails to Properly Perform Viewer Role Authorization
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mattermost | mattermost_server | >= 9.11.0, < 9.11.9 | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | Vendor Advisory |