26 matches found
CVE-2026-4858
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action...
Directory Traversal
Overview Affected versions of this package are vulnerable to Directory Traversal in the integration action URL process. An attacker can execute arbitrary API calls with system administrator privileges by exploiting path traversal in the integration action URL when authenticated with a...
Mattermost has a Path Traversal issue
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action UR...
EUVD-2026-31242
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action...
CVE-2026-4858 Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action...
CVE-2026-4858
Mattermost CVE-2026-4858 affects versions 11.6.x, 11.5.x, 11.4.x and 10.11.x where the integration action URL does not properly validate path traversal. This allows a malicious authenticated user to call an arbitrary API using the system admin Mattermost token by exploiting the path traversal in ...
CVE-2026-4858 Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action...
CVE-2026-4858 Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action...
PT-2026-42439
Name of the Vulnerable Software and Affected Versions Mattermost version 11.6.0 Mattermost version 11.5.3 Mattermost version 11.4.4 Mattermost version 10.11.14 Description A path traversal issue exists where the application fails to properly validate the integration action URL. This allows an...
CVE-2026-4858: Improper Limitation of a Pathname to a Restricted Directory
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action...
CVE-2026-4302
The WowOptin: Next-Gen Popup Maker plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.29. This is due to the plugin exposing a publicly accessible REST API endpoint optn/v1/integration-action with a permissioncallback of returntrue that...
EUVD-2026-13980
The WowOptin: Next-Gen Popup Maker plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.29. This is due to the plugin exposing a publicly accessible REST API endpoint optn/v1/integration-action with a permissioncallback of returntrue that...
CVE-2026-4302
The WowOptin: Next-Gen Popup Maker plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.29. This is due to the plugin exposing a publicly accessible REST API endpoint optn/v1/integration-action with a permissioncallback of returntrue that...
CVE-2026-4302
The WowOptin: Next-Gen Popup Maker plugin for WordPress is affected by Server-Side Request Forgery (SSRF) in versions up to and including 1.4.29. The vulnerability stems from a publicly accessible REST API endpoint (optn/v1/integration-action) that uses a permissive permission_callback (__return_...
CVE-2026-4302 WowOptin: Next-Gen Popup Maker <= 1.4.29 - Unauthenticated Server-Side Request Forgery via 'link' Parameter in REST API
The WowOptin: Next-Gen Popup Maker plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.29. This is due to the plugin exposing a publicly accessible REST API endpoint optn/v1/integration-action with a permissioncallback of returntrue that...
CVE-2026-4302: Server-Side Request Forgery (SSRF)
The WowOptin: Next-Gen Popup Maker plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.29. This is due to the plugin exposing a publicly accessible REST API endpoint optn/v1/integration-action with a permissioncallback of returntrue that...
EUVD-2026-12383
Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 Mattermost fails to limit the size of responses from integration action endpoints, which allows an authenticated attacker to cause server memory exhaustion and denial of service via a malicious integration server that return...
CVE-2026-2456
Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 Mattermost fails to limit the size of responses from integration action endpoints, which allows an authenticated attacker to cause server memory exhaustion and denial of service via a malicious integration server that return...
CVE-2026-2456: Memory Allocation with Excessive Size Value
Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 Mattermost fails to limit the size of responses from integration action endpoints, which allows an authenticated attacker to cause server memory exhaustion and denial of service via a malicious integration server that return...