> Malicious npm Package indexed-btree Hid Its Loader in Runtime Code Before Removal
[DATE: 22/09/2026 09:38]
[LANGUAGE: EN]
A malicious npm package named "indexed-btree" has been observed hiding its malicious behavior within application code rather than using lifecycle scripts, indicating that threat actors are likely shifting tactics in response to recent security controls.
"Indexed-btree is a malicious npm package mimicking the legit sorted-btree package, an ordinary B-tree/indexing utility," Checkmarx said. "