CISA Adds CVE-2026-102764 to KEV List: BeyondTrust Remote Support Vulnerability

## Overview CISA added CVE-2026-102764 to its Known Exploited Vulnerabilities (KEV) list on October 16, 2026. This vulnerability affects BeyondTrust's Remote Support product. It allows attackers to bypass authentication by spoofing messages. This can lead to unauthorized file operations on the appliance. ## Technical Details The vulnerability lies within the internal components of the BeyondTrust Remote Support system. These components fail to properly validate the origin of incoming messages. Under specific conditions, an attacker can exploit this flaw to execute file operations that should be restricted. The CVSS score of 9.3 indicates a high severity level. This vulnerability is particularly concerning due to its potential for remote exploitation. ## Impact If exploited, CVE-2026-102764 could allow remote attackers to manipulate files on the affected appliance. This could lead to data breaches or system compromise. Organizations using BeyondTrust Remote Support should be aware of the potential risks and the urgency of addressing this vulnerability. ## Mitigation Defenders should prioritize updating their BeyondTrust Remote Support installations to the latest version. BeyondTrust has likely released patches or updates to address this vulnerability. Regularly monitoring for updates and applying them promptly is crucial. Additionally, organizations should review their security configurations to ensure that only trusted sources can communicate with their Remote Support systems.