CVE-2026-4265

Mattermost CVE-2026-4265 affects Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, and 10.11.x

CVE-2026-4265 Guest user can upload files without permission across teams

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to validate team-specific uploadfile permissions which allows a guest user to post files in channels where they lack uploadfile permission via uploading files in a team where they have permission and reusing the file...

CVE-2026-30225

OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, an authentication context confusion vulnerability in RestartAction allows a low‑privileged authenticated user to execute actions they are not permitted to run. RestartAction constructs a new...

GHSA-P443-P7W5-2F7F OliveTin's RestartAction always runs actions as guest

Summary An authentication context confusion vulnerability in RestartAction allows a low‑privileged authenticated user to execute actions they are not permitted to run. RestartAction constructs a new internal connect.Request without preserving the original caller’s authentication headers or cookie...

OliveTin's RestartAction always runs actions as guest

Summary An authentication context confusion vulnerability in RestartAction allows a low‑privileged authenticated user to execute actions they are not permitted to run. RestartAction constructs a new internal connect.Request without preserving the original caller’s authentication headers or cookie...

PT-2026-23615

Name of the Vulnerable Software and Affected Versions OliveTin versions prior to 3000.11.1 Description OliveTin allows access to predefined shell commands from a web interface. A flaw exists in the RestartAction functionality where a low-privileged authenticated user can execute actions they are...

PT-2026-25705

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.10 Mattermost versions 11.2.x through 11.2.2 Mattermost versions 11.3.x through 11.3.0 Description Mattermost fails to properly validate team-specific upload permissions. This allows a guest user to po...

CVE-2026-0653

On TP-Link Tapo C260 v1 and D235 v1, a guest‑level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited privileges. An attacker may change sensitive configuration...

CVE-2026-0653

On TP-Link Tapo C260 v1 and D235 v1, a guest‑level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited privileges. An attacker may change sensitive configuration...

CVE-2026-0653

On TP-Link Tapo C260 v1 and D235 v1, a guest‑level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited privileges. An attacker may change sensitive configuration...

CVE-2026-0652 Remote Code Execution on TP-Link Tapo C260 by Guest User

On TP-Link Tapo C260 v1, command injection vulnerability exists due to improper sanitization in certain POST parameters during configuration synchronization. An authenticated attacker can execute arbitrary system commands with high impact on confidentiality, integrity and availability. It may cau...

CVE-2026-0652

CVE-2026-0652 affects TP-Link Tapo C260 v1. The vulnerability is a command-injection flaw caused by improper sanitization of certain POST parameters during configuration synchronization. An authenticated attacker can execute arbitrary system commands, leading to high impact on confidentiality, in...

CVE-2026-0652 Remote Code Execution on TP-Link Tapo C260 by Guest User

On TP-Link Tapo C260 v1, command injection vulnerability exists due to improper sanitization in certain POST parameters during configuration synchronization. An authenticated attacker can execute arbitrary system commands with high impact on confidentiality, integrity and availability. It may cau...

CVE-2026-0653

CVE-2026-0653 affects TP-Link Tapo C260 v1 and D235 v1. A guest-level authenticated user can bypass access controls by sending crafted requests to a synchronization endpoint, enabling modification of protected device settings with limited privileges. Root cause: insufficient access control leadin...

CVE-2026-0653 Insecure Access Control on TP-Link Tapo D235 and C260

On TP-Link Tapo C260 v1 and D235 v1, a guest‑level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited privileges. An attacker may change sensitive configuration...

CVE-2026-0653 Insecure Access Control on TP-Link Tapo D235 and C260

On TP-Link Tapo C260 v1 and D235 v1, a guest‑level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited privileges. An attacker may change sensitive configuration...

PT-2026-7324

Name of the Vulnerable Software and Affected Versions TP-Link Tapo C260 version 1 Description A guest-level authenticated user can bypass intended access restrictions by sending crafted requests to a synchronization endpoint. This allows modification of protected device settings despite limited...

Siemens SCALANCE and RUGGEDCOM Incorrect Authorization (CVE-2025-40568)

An internal session termination functionality in the web interface of affected products contains an incorrect authorization check vulnerability. This could allow an authenticated remote attacker with guest role to terminate legitimate users' sessions. This plugin only works with Tenable.ot. Pleas...

K000156643: BIG-IP SMTP configuration security exposure

Security Advisory Description An authenticated attacker granted the guest role on a BIG-IP system can modify the SMTP Server Host Name as well as the SMTP Server Port Number settings and run the Test Connection feature. This issue occurs when the following condition is met: The affected BIG-IP...

CVE-2026-24139

CVE-2026-24139 affects MyTube (versions 1.7.78 and earlier) and is caused by improper validation of user permissions on the database export endpoint, enabling guest/low-privilege users to bypass authorization and download the complete application database. RedHat, NVD, and PTSecurity sources conf...