Add vpatch-CVE-2026-0768 rule and test

.appsec-tests/vpatch-CVE-2026-0768/CVE-2026-0768.yaml

@@ -0,0 +1,22 @@
+## autogenerated on 2026-09-17 09:11:00
+id: CVE-2026-0768
+info:
+  name: CVE-2026-0768
+  author: crowdsec
+  severity: info
+  description: CVE-2026-0768 testing
+  tags: appsec-testing
+http:
+  - raw:
+      - |
+        POST /api/v1/validate/code HTTP/1.1
+        Host: {{Hostname}}
+        Content-Type: application/json
+
+        {"code": "def exploit(cd=exec('raise Exception(__import__(\"subprocess\").check_output(\"id\", shell=True))')): pass"}
+
+    cookie-reuse: true
+    matchers:
+      - type: status
+        status:
+          - 403

.appsec-tests/vpatch-CVE-2026-0768/config.yaml

@@ -0,0 +1,5 @@
+## autogenerated on 2026-09-17 09:11:00
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2026-0768.yaml
+nuclei_template: CVE-2026-0768.yaml

appsec-rules/crowdsecurity/vpatch-CVE-2026-0768.yaml

@@ -0,0 +1,35 @@
+## autogenerated on 2026-09-17 09:11:00
+name: crowdsecurity/vpatch-CVE-2026-0768
+description: 'Detects unauthenticated Python code execution through Langflow validate/code.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - urldecode
+          - lowercase
+        match:
+          type: contains
+          value: '/api/v1/validate/code'
+      - zones:
+          - BODY_ARGS
+        variables:
+          - json.code
+        transform:
+          - urldecode
+          - lowercase
+        match:
+          type: contains
+          value: 'exec('
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Langflow - RCE'
+  classification:
+    - cve.CVE-2026-0768
+    - attack.T1059
+    - cwe.CWE-94

collections/crowdsecurity/appsec-virtual-patching.yaml

@@ -11,6 +11,7 @@ appsec-rules:
 - crowdsecurity/vpatch-CVE-2022-35914
 - crowdsecurity/vpatch-CVE-2022-46169
 - crowdsecurity/vpatch-CVE-2024-3408
+- crowdsecurity/vpatch-CVE-2026-0768
 - crowdsecurity/vpatch-CVE-2023-20198
 - crowdsecurity/vpatch-CVE-2023-22515
 - crowdsecurity/vpatch-CVE-2024-6671