diff --git a/cves/2021/CVE-2021-41826.yaml b/cves/2021/CVE-2021-41826.yaml
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+id: CVE-2021-41826
+
+info:
+  name: PlaceOS 1.2109.1 - Open Redirection
+  author: geeknik
+  severity: low
+  description: PlaceOS Authentication Service before 1.29.10.0 allows app/controllers/auth/sessions_controller.rb open redirect
+  reference:
+    - https://github.com/PlaceOS/auth/issues/36
+    - https://www.exploit-db.com/exploits/50359
+    - https://nvd.nist.gov/vuln/detail/CVE-2021-41826
+  tags: cve,cve2021,placeos,redirect
+
+requests:
+  - method: GET
+    path:
+      - "{{BaseURL}}/auth/logout?continue=//example.com"
+
+    matchers-condition: and
+    matchers:
+
+      - type: status
+        status:
+          - 302
+          - 301
+        condition: or
+
+      - type: regex
+        part: header
+        words:
+          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)(?:[a-zA-Z0-9\-_\.@]*)example\.com.*$'