Add vpatch-CVE-2026-27483 rule

Author: crowdsec-automation

appsec-rules/crowdsecurity/vpatch-CVE-2026-27483.yaml

@@ -0,0 +1,31 @@
+## autogenerated on 2026-04-01 13:13:28
+name: crowdsecurity/vpatch-CVE-2026-27483
+description: 'Detects MindsDB < 25.9.1.1 path traversal in file upload endpoint leading to RCE.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: /api/files/
+      - zones:
+          - FILENAMES
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: '../'
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'MindsDB - RCE'
+  classification:
+    - cve.CVE-2026-27483
+    - attack.T1190
+    - cwe.CWE-22