diff --git a/osv/malicious/npm/amplitude-ma-ts/MAL-0000-amplitude-ma-ts.json b/osv/malicious/npm/amplitude-ma-ts/MAL-0000-amplitude-ma-ts.json
new file mode 100644
index 00000000000..68c3848d8dc
--- /dev/null
+++ b/osv/malicious/npm/amplitude-ma-ts/MAL-0000-amplitude-ma-ts.json
@@ -0,0 +1,35 @@
+{
+  "schema_version": "1.7.3",
+  "published": "2026-04-24T05:40:43.069957427Z",
+  "modified": "2026-04-24T05:40:43.069957427Z",
+  "summary": "Malicious code in  amplitude-ma-tspackage (npm)",
+  "details": "npm stealer. Hardcoded Discord webhook id 1497047226428690432 in postinstall Folder/bin/S.js. Exfils {hostname, whoami, pwd, public_ip (api.ipify.org), /etc/hosts} via Discord embed. v1.0.21 empty placeholder, v1.0.22 shipped payload — name-squat-then-poison. Typosquats @amplitude/* analytics scope. Maintainer 4senna <bugbounty4senna+1@gmail.com> (Gmail plus-alias throwaway). Score 20, signals: install_hook + nodejs_phone_home + iplookup_website + discord_bot + discord_exfil + exfil_whoami_hostname. Report: data/reports/research-threat-analysis/reports/2026-04-24-amplitude-ma-ts.md",
+  "affected": [
+    {
+      "package": {
+        "name": "amplitude-ma-ts",
+        "ecosystem": "npm"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [],
+  "credits": [
+    {
+      "name": "SafeDep",
+      "contact": [
+        "https://safedep.io"
+      ],
+      "type": "FINDER"
+    }
+  ]
+}