Mattermost Focalboard vulnerabilities

2 vulnerabilities

Known vulnerabilities in Mattermost Focalboard, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

8.1CVE-2026-25773github.com/mattermostfocalboard+1
EPSS score
0.39%
** UNSUPPORTED WHEN ASSIGNED ** Focalboard version 8.0 fails to sanitize category IDs before incorporating them into dynamic SQL statements when reordering categories. An attacker can inject a malicious SQL payload into the category id field, which is stored in the database and later executed unsanitized when the category reorder API processes the stored value. This Second-Order SQL Injection (Time-Based Blind) allows an authenticated attacker to exfiltrate sensitive data including password hashes of other users. NOTE: Focalboard as a standalone product is not maintained and no fix will be issued.4.3CVE-2026-28736github.com/mattermostfocalboard+1
EPSS score
0.27%
** UNSUPPORTED WHEN ASSIGNED ** Focalboard version 8.0 fails to validate file ownership when serving uploaded files. This allows an authenticated attacker who knows a victim's fileID to read the content of the file. NOTE: Focalboard as a standalone product is not maintained and no fix will be issued.