PT-2026-91154

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate channel member-management permission during playbook run creation, allowing an authenticated channel member to add an arbitrary user to a restricted channel via the run owner field...

CVE-2026-8821: Missing Authorization

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate channel member-management permission during playbook run creation, allowing an authenticated channel member to add an arbitrary user to a restricted channel via the run owner field...

CVE-2026-59841

Technical details for CVE-2026-59841 are not publicly available in the provided documents. Monitor Fortinet advisories and NVD/CVE records for updates on affected product/version, impact, and fixes.

CVE-2026-53815 OpenClaw < 2026.5.19 - Channel Allowlist Bypass in Message Read Actions

OpenClaw before 2026.5.19 contains an authorization bypass vulnerability in message read actions that skips channel allowlist checks. Lower-trust callers can request messages from channels not intended for them by exploiting insufficient validation in the affected feature, potentially exposing...

CVE-2024-39837

Mattermost versions 9.9.x = 9.9.0, 9.5.x = 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled...

Juniper Networks Junos OS Evolved Security Vulnerability

Juniper Networks Junos OS Evolved is an upgraded version of Juniper Networks' Junos OS system. A security vulnerability exists in Juniper Networks Junos OS Evolved that stems from the presence of a vulnerability that improperly restricts the communication channel to the target endpoint, allowing ...

CVE-2022-39389 Witness Block Parsing DoS Vulnerability in lnd

Lightning Network Daemon lnd is an implementation of a lightning bitcoin overlay network node. All lnd nodes before version v0.15.4 are vulnerable to a block parsing bug that can cause a node to enter a degraded state once encountered. In this degraded state, nodes can continue to make payments a...