CVE-2026-4646

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 validate user-supplied input in API request handlers which allows an authenticated attacker to crash the plugin process via a crafted HTTP request to the PR details endpoint.. Mattermost Advisory ID:...

EUVD-2026-31429

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 validate file ownership and access control, which allows an authenticated user to access and download files belonging to other users or teams via crafted Boards API requests using valid file IDs...

CVE-2026-3473

CVE-2026-3473 affects Mattermost prior to fixed versions: 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, and 10.11.x

CVE-2026-3473 Improper file ownership validation in the Boards API allows unauthorised file access

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 validate file ownership and access control, which allows an authenticated user to access and download files belonging to other users or teams via crafted Boards API requests using valid file IDs...

CVE-2026-3473 Improper file ownership validation in the Boards API allows unauthorised file access

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 validate file ownership and access control, which allows an authenticated user to access and download files belonging to other users or teams via crafted Boards API requests using valid file IDs...

CVE-2026-3473 Improper file ownership validation in the Boards API allows unauthorised file access

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 validate file ownership and access control, which allows an authenticated user to access and download files belonging to other users or teams via crafted Boards API requests using valid file IDs...

CVE-2026-4646 Insufficient input validation in GitHub plugin API causes denial of service

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 validate user-supplied input in API request handlers which allows an authenticated attacker to crash the plugin process via a crafted HTTP request to the PR details endpoint.. Mattermost Advisory ID:...

CVE-2026-4646 Insufficient input validation in GitHub plugin API causes denial of service

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 validate user-supplied input in API request handlers which allows an authenticated attacker to crash the plugin process via a crafted HTTP request to the PR details endpoint.. Mattermost Advisory ID:...

CVE-2026-3636

Mattermost CVE-2026-3636 affects versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, and 10.11.x

CVE-2026-3636 Sanitize team member data returned by API

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 sanitize team member data when returned via API to users without elevated permissions which allows a user without permissions to get data about team members roles via invoking various team API...

Malicious code in @thebros/create-benjamin (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 53fb816939bb505cdabc374418983428298b09a29e5789033943301642b8b156 The package tarball ships a .env file containing a live-looking OpenAI API key OPENAIAPIKEY=sk-proj-.... The CLI entry point bin/index.js calls impor...

Malicious code in kurumi-fca (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector f90450e6ca1502bf6287d945c37c4c64f59e624a4269ab8e07600a9db5e755d0 kurumi-fca is a Facebook Chat API library whose advertised purpose is to listen to Messenger events for the caller. Two undisclosed behaviors make it...

Cisco Patches CVSS 10.0 Secure Workload REST API Flaw Enabling Data Access

Cisco has rolled out updates for a maximum-severity security flaw impacting Secure Workload that could allow an unauthenticated, remote attacker to access sensitive data. Tracked as CVE-2026-20223 CVSS score: 10.0, the vulnerability arises from insufficient validation and authentication when...

Malicious code in @asura21232/fca-unofficial-nextgen (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 30540a72a722c901403164aeb090ca99999d3be2cc4d9e9f3ad99ef319fc2db2 This package presents itself as an unofficial Facebook Messenger client library, but its exported authentication helpers loginViaAPI, tokensViaAPI,...

MAL-2026-4363 Malicious code in @asura21232/fca-unofficial-nextgen (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 30540a72a722c901403164aeb090ca99999d3be2cc4d9e9f3ad99ef319fc2db2 This package presents itself as an unofficial Facebook Messenger client library, but its exported authentication helpers loginViaAPI, tokensViaAPI,...

Devolutions Server 安全漏洞

Devolutions Server is an application system developed by the Canadian company Devolutions. It provides a fully functional solution for shared accounts and password management. Versions of Devolutions Server from 2026.1.6.0 to 2026.1.16.0, as well as versions prior to 2025.3.20.0, have security...

Linux Distros Unpatched Vulnerability : CVE-2026-28376

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The Grafana Live push endpoint can be exploited to cause unbounded memory allocation by sending a large or streaming request body, potentially leading to...

Typebot 安全漏洞

Typebot is an open-source chat bot builder developed by Baptiste Arnaud. Versions of Typebot 3.16.0 and earlier contained a security vulnerability. This vulnerability stemmed from the WhatsApp Cloud API webhook endpoint not verifying the x-hub-signature-256 HMAC signature, allowing unauthenticate...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in versions of Mattermost 11.6.0 and earlier 11.6.x series, as well as versions prior to 11.5.3 11.5.x series, 11.4.4 and earlier 11.4.x series, and 10.11.14 and earlier 10.11.x...

Linux Distros Unpatched Vulnerability : CVE-2026-41888

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.1, tag deletion via the DELETE /v2//manifests/ endpoint bypasses the...