importantSYS.SOURCE: The Hacker News• 2026-10-16T12:25:55+05:30
China-Linked Group Exploits BeyondTrust Zero-Day Vulnerability in Remote Support Servers
A China-linked cyber espionage group exploited a high-severity zero-day vulnerability (CVE-2026-102764) in BeyondTrust Remote Support to compromise servers. The flaw, with a CVSS score of 9.3, involved improper origin validation in an internal messaging component.
The China-nexus cyber espionage group tracked as Armory Castle (previously UNC5221 or Warp Panda) exploited a newly disclosed security flaw in BeyondTrust Remote Support (formerly Bomgar) as a zero-day in late August 2026.
The vulnerability, tracked as CVE-2026-102764 (CVSS score: 9.3), is a case of improper origin validation in an internal messaging component that could be exploited by a
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