CVE-2026-28736

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...

CVE-2026-28736 Focalboard IDOR in file content endpoint allows cross-user file access (unsupported product, no fix)

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...

CVE-2026-28736 Focalboard IDOR in file content endpoint allows cross-user file access (unsupported product, no fix)

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...

CVE-2026-28736

Focalboard 8.0 is affected by an IDOR-like issue in the file content endpoint: it fails to validate ownership when serving uploaded files, enabling an authenticated user who knows a victim’s fileID to read that file’s content. The vulnerability stems from insufficient access checks for file retri...

CVE-2026-25773 Focalboard Second-Order SQL Injection in category reorder endpoint allows data exfiltration (unsupported product, no fix)

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 unsanitiz...

CVE-2026-25773 Focalboard Second-Order SQL Injection in category reorder endpoint allows data exfiltration (unsupported product, no fix)

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 unsanitiz...

CVE-2026-25773

CVE-2026-25773 — Focalboard 8.0 Second-Order SQL Injection in category reorder : The vulnerability arises from insufficient sanitization of category IDs used in dynamic SQL during category reordering. An authenticated attacker can store a malicious SQL payload in the category ID field, which is l...

CVE-2026-25773

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 unsanitiz...

CVE-2026-25773 Focalboard Second-Order SQL Injection in category reorder endpoint allows data exfiltration (unsupported product, no fix)

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 unsanitiz...

Focalboard 安全漏洞

Focalboard is a multilingual, self-hosted project management tool open source by Mattermost Community. Version 8.0 of Focalboard contains a security vulnerability. This vulnerability stems from the lack of verification of file ownership during the upload process, which may allow authenticated...

PT-2026-30041

Name of the Vulnerable Software and Affected Versions Focalboard version 8.0 Description Focalboard version 8.0 does not properly sanitize category IDs before using them in SQL queries when reordering categories. This can allow an attacker to inject malicious SQL code into the category ID field,...

PT-2026-30042

Name of the Vulnerable Software and Affected Versions Focalboard version 8.0 Description Focalboard version 8.0 does not properly validate file ownership when serving uploaded files. This allows an authenticated attacker with knowledge of a victim's fileID to read the file's content. The product ...

CVE-2026-25773: Improper Neutralization of Special Elements used in an SQL Command

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 unsanitiz...

Focalboard 安全漏洞

Focalboard is a multilingual, self-hosted project management tool open source by Mattermost Community. Version 8.0 of Focalboard contains a security vulnerability, which stems from insufficient cleaning of category IDs. This vulnerability may lead to second-level SQL injection and data leakage...

CVE-2026-28736: Authorization Bypass Through User-Controlled Key

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...

CVE-2023-1562

Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner...

GHSA-85JJ-C9JR-9JHX Mattermost Improper Access Control vulnerability

Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information e.g. name, surname, nickname via Mattermost Boards...

Mattermost Improper Access Control vulnerability

Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information e.g. name, surname, nickname via Mattermost Boards...

Authorization

Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information e.g. name, surname, nickname via Mattermost Boards...

CVE-2023-6202 Insecure Direct Object Reference in /plugins/focalboard/ api/v2/users of Mattermost Boards

Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information e.g. name, surname, nickname via Mattermost Boards...