CVE-2025-8402 Nil pointer dereference in bulk import crashes server

Mattermost versions 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17, 10.10.x = 10.10.0, 10.9.x = 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature...

CVE-2025-8402 Nil pointer dereference in bulk import crashes server

Mattermost versions 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17, 10.10.x = 10.10.0, 10.9.x = 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature...

CVE-2025-8402

Mattermost versions 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17, 10.10.x = 10.10.0, 10.9.x = 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature...

CVE-2025-9162

A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process allows for injection attacks when crafted realm documents are...

CVE-2025-9162

A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process allows for injection attacks when crafted realm documents are...

CVE-2025-9162 Org.keycloak/keycloak-model-storage-service: variable injection into environment variables

A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process allows for injection attacks when crafted realm documents are...

CVE-2025-9162 Org.keycloak/keycloak-model-storage-service: variable injection into environment variables

A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process allows for injection attacks when crafted realm documents are...

CVE-2025-9162

The CVE-2025-9162 issue affects Keycloak’s org.keycloak:keycloak-model-storage-service, where the KeycloakRealmImport custom resource substitutes placeholders in imported realm documents, potentially referencing environment variables. This substitution can enable injection of malicious content du...

CVE-2025-9162 Org.keycloak/keycloak-model-storage-service: variable injection into environment variables

A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process allows for injection attacks when crafted realm documents are...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal during plugin import operations. An attacker can access unauthorized files and bypass plugin signature enforcement and marketplace restrictions by submitting specially crafted file paths during plugin import...

Mattermost Fails to Validate File Paths

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

GHSA-GQ3R-5833-5532 Mattermost Fails to Validate File Paths

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

CVE-2025-36530

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

CVE-2025-36530

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

CVE-2025-36530 Import Path Traversal Enables Unauthorized Unsigned Plugin Installation

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

CVE-2025-36530

Mattermost contains a path traversal vulnerability in the plugin import flow (affecting 9.11.x up to 9.11.17, 10.5.x up to 10.5.8, 10.8.x up to 10.8.3, 10.9.x up to 10.9.1). The root cause is improper validation of file paths during plugin import, which allows restricted admin users to install un...

CVE-2025-36530 Import Path Traversal Enables Unauthorized Unsigned Plugin Installation

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

CVE-2025-36530 Import Path Traversal Enables Unauthorized Unsigned Plugin Installation

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

PT-2025-34194 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 10.5.x through 10.5.8 Mattermost versions 10.8.x through 10.8.3 Mattermost versions 10.9.x through 10.9.1 Mattermost versions 9.11.x through 9.11.17 Description: The Mattermost application does not properly validate file...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability exists in Mattermost that stems from insufficient file path validation during plugin import operations, which could lead to path traversal attacks. The following versions are...