BeyondTrust Patches Critical Auth Bypass Flaws in Remote Support and PRA

BeyondTrust has released updates to address two critical security flaws affecting Remote Support RS and Privileged Remote Access PRA products that, if successfully exploited, could allow unauthenticated attackers to take control of susceptible devices. The vulnerabilities are listed below -...

CVE-2026-40139

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support. Improper processing of authentication requests may allow an unauthenticated remote attacker to bypass access controls and gain unauthorized access to the appliance, including accounts...

EUVD-2026-41886

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance...

CVE-2026-40138: Improper Authentication

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and Privileged Remote Access. Improper validation of authentication data may allow a network-positioned attacker to bypass access controls and gain unauthorized access to the appliance...

CVE-2026-40139: Improper Authentication

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support. Improper processing of authentication requests may allow an unauthenticated remote attacker to bypass access controls and gain unauthorized access to the appliance, including accounts...

CVE-2026-33446

CVE-2026-33446 is a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivably leading to memory corruption or a denial of service...

rxkad Page-Cache Write via CVE-2026-43500

CVE-2026-43500 exploits a memory-corruption vulnerability in the Linux kernel's RxRPC authentication subsystem rxkad. When a crafted DATA packet is delivered to an AFRXRPC socket configured with an attacker-controlled rxkad session key, the kernel's rxkadverifypacket1 function performs an in-plac...

CVE-2026-33446

CVE-2026-33446 is a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivably leading to memory corruption or a denial of service...

CVE-2026-33446

CVE-2026-33446 is a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivably leading to memory corruption or a denial of service...

CVE-2026-33446

CVE-2026-33446 describes a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.50. An attacker-controlled server can send a special packet that overwrites memory, potentially causing memory corruption or denial of service. Affected component: authentication su...

Absolute Secure Access 安全漏洞

Absolute Secure Access is an application developed by Absolute Corporation. It provides secure service edge SSE services optimized for mixed and mobile work environments. Versions of Absolute Secure Access prior to 14.50 contained a security vulnerability caused by a buffer overflow in the...

The vulnerability of the message authentication subsystem of the RPMB protocol in Intel Trusted Execution Engine (TXE) software allows a perpetrator to enhance their privileges.

The vulnerability of the message authentication subsystem of the RPMB protocol in Intel Trusted Execution Engine TXE microprogramming software is related to authentication deficiencies. Exploiting this vulnerability can allow attackers to enhance their privileges...

CVE-2015-0723: Undefined Security Weakness

The wireless web-authentication subsystem on Cisco Wireless LAN Controller WLC devices 7.5.x and 7.6.x before 7.6.120 allows remote attackers to cause a denial of service process crash and device restart via a crafted value, aka Bug ID CSCum03269...