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Attackers began exploiting Plex2Shell, a chain of four Plex Media Server vulnerabilities, within about a day of researcher Zach Main publishing technical details and PoC code on October 16, 2026. A researcher running an internet-facing honeypot observed the first in-the-wild exploitation on October 17. The attackers deployed an XMRig-base…
Cloudflare published defensive guidance following the disclosure of actively exploited Citrix NetScaler vulnerabilities. CVE-2026-88771 allows unauthenticated command execution on affected appliances, including in the default configuration. CVE-2026-88772 affects configurations using DTLS. Citrix's September 27, 2026 bulletin reported obs…
Mandiant and GTIG attribute exploitation of the critical BeyondTrust Remote Support zero-day CVE-2026-102764 to Armory Castle (formerly tracked as UNC5221), a likely Chinese government-backed espionage group. BeyondTrust dates the first known exploitation to Aug. 29 and says it detected and contained the activity Sept. 28. Only a small nu…
