Node2Shell: Node.js Brotli Remote Code Execution Vulnerability
A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.

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5 intel reports
APT28 (Swallowtail) is executing a complex cyber espionage campaign targeting NATO naval and aerospace manufacturers using the Hookedge backdoor and a novel reflective loader.
Russian threat actor APT28 compromised a NATO naval shipbuilder and other defense targets using the HOOKEDGE backdoor, a persistent SSH tunnel, and a custom reflective loader.
Russian state-supported actors including LAUNDRY BEAR and TA458 are exploiting zero-day vulnerabilities in Zimbra, SOGo, and other webmail clients to exfiltrate sensitive email data from Western government and commercial targets.
Russia-aligned threat group UAC-0099 is delivering a multi-stage infection chain involving LUNCHPOKE, BURNYBEAR, and MATCHBOIL.V2 by abusing legitimate Notepad++ plugin loading routines.
The Russia-aligned actor TA458 uses half-click XSS zero-day exploits against SOGo, Zimbra, and Roundcube webmail to deploy SpyPress malware and steal sensitive government data.