CVE-2026-6517 Mattermost Desktop App fails to restrict the allow list of domains which NTLM credentials are passed

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...

CVE-2026-6517 Mattermost Desktop App fails to restrict the allow list of domains which NTLM credentials are passed

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...

ROS-20260615-73-0010

The vulnerability of the RDP client FreeRDP is related to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

PT-2026-49243

Name of the Vulnerable Software and Affected Versions Mattermost Desktop App versions prior to 6.1 Mattermost Desktop App version 5.5.13.0 Description The application fails to properly handle attempts to open extremely long URLs. A malicious server owner can cause the application to crash by...

PT-2026-49238

Name of the Vulnerable Software and Affected Versions Mattermost Desktop App versions prior to 6.1 Mattermost Desktop App version 5.5.13.0 Description The application fails to restrict the allow list of domains for NTLM credential forwarding. This allows a user on a server where the image proxy i...

ROS-20260615-73-0027

The vulnerability of the avc420yuvtorgb function in the RDP client FreeRDP is related to writing beyond the buffer boundaries in memory. Exploiting this vulnerability could allow a malicious actor to cause service failures...

CVE-2026-8683: Allocation of Resources Without Limits or Throttling

Mattermost Desktop App versions =6.1 5.5.13.0 fail to account for attempting to open extremely long URLs in the Mattermost Desktop App which allows a malicious server owner to crash the application via including a script to call window.open on a very large URL. Mattermost Advisory ID:...

PT-2026-49550

Improper host validation in the social login autofill feature in Devolutions Remote Desktop Manager 2026.2.8 allows an attacker to disclose stored social login credentials via a crafted web entry pointing to a provider lookalike domain...

ROS-20260615-73-0040

The vulnerability of the resizevbarentry function in the RDP client FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

ROS-20260615-73-0037

The vulnerability of the RDP client FreeRDP is related to the lack of use of the assert function. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

CVE-2026-6517: Insufficiently Protected Credentials

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...

Zhongke Fangde Software Co., Ltd.'s Fangde Desktop Operating System has a local privilege escalation vulnerability

Fangde Desktop Operating System is a domestic operating system developed by Zhongke Fangde Software Co., Ltd. Zhongke Fangde Software Co., Ltd.’s Fangde Desktop Operating System has a local privilege escalation vulnerability, which allows attackers to exploit this vulnerability to gain higher...

PT-2026-49549

Name of the Vulnerable Software and Affected Versions Devolutions Remote Desktop Manager version 2026.2.7 Description Improper input validation in the SSH Elevate Shell feature allows an authenticated user with permissions to create or modify a shared SSH entry to execute arbitrary commands on a...

ROS-20260615-73-0009

The vulnerability of the RDP client FreeRDP is related to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

Zhongke Fangde Software Co., Ltd.'s Fangde Desktop Operating System has a local privilege escalation vulnerability (CNVD-C-2026-281769).

Fangde Desktop Operating System is a domestic operating system designed for compatibility with domestic CPUs such as Haiguang, Zhaoxin, Feiteng, Loongson, Shenwei, and Kunpeng. It supports mainstream architectures like x86, ARM, and MIPS. There is a local privilege escalation vulnerability in...

ROS-20260615-73-0023

The vulnerability of the xfrailserverlocalmovesize function in the RDP client FreeRDP relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

ROS-20260615-73-0029

The vulnerability of the xfclipboardformatequal function in the RDP client FreeRDP relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

ROS-20260615-73-0042

The vulnerability of the persistentcachereadentryv3 function in the RDP client FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability could allow an attacker to compromise the integrity and accessibility of protected information...

ROS-20260615-73-0008

The vulnerability of the StreamEnsureCapacity function in the RDP client FreeRDP is caused by a numerical overflow condition. Exploiting this vulnerability could allow an attacker, operating remotely, to cause service failures...

ROS-20260615-73-0041

The vulnerability of the yuvensurebuffer function in the RDP client FreeRDP is related to incorrect calculations of the size of the buffer allocated. Exploiting this vulnerability allows a remote attacker to execute arbitrary code by sending specially crafted NAL packets...