Cybersecurity researchers have flagged a new malicious extension in the Open VSX registry that harbors a remote access trojan called SleepyDuck.
According to Secure Annex’s John Tuckner, the extension in question, juan-bianco.solidity-vlang (version 0.0.7), was first published on October 31, 2025, as a completely benign library that was subsequently updated to version 0.0.8 on November 1 to

XWiki SolrSearch Exploit Attempts (CVE-2025-24893) with link to Chicago Gangs/Rappers, (Mon, Nov 3rd)
3 November 2025

