TI-2026-58750 CVE-2026-85625 · GHSA-8pfg-3p4c-36vmsift 17.1.3 Prototype Pollution Remote Code Execution via $wherePriority MEDIUM 43sift (sift.js) 17.1.3 enumerates query keys with for...in, which walks the object prototype chain, and dispatches any matched operator key including $where.CVSS 4.0CRITICAL 9.2· Network · No auth · No interaction · EPSS 0.00735 · Published 2026-09-04 · Fix deferred CWE-1321