Add vpatch-CVE-2026-93674 rule and test

.appsec-tests/vpatch-CVE-2026-93674/CVE-2026-93674.yaml

@@ -0,0 +1,22 @@
+## autogenerated on 2026-10-20 09:03:19
+id: CVE-2026-93674
+info:
+  name: CVE-2026-93674
+  author: crowdsec
+  severity: info
+  description: CVE-2026-93674 testing
+  tags: appsec-testing
+http:
+  - raw:
+      - |
+        POST /api/v1/validate/code HTTP/1.1
+        Host: {{Hostname}}
+        Content-Type: application/json
+
+        {"code":"import nprobe"}
+
+    cookie-reuse: true
+    matchers:
+      - type: status
+        status:
+          - 403

.appsec-tests/vpatch-CVE-2026-93674/config.yaml

@@ -0,0 +1,5 @@
+## autogenerated on 2026-10-20 09:03:19
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2026-93674.yaml
+nuclei_template: CVE-2026-93674.yaml

appsec-rules/crowdsecurity/vpatch-CVE-2026-93674.md

@@ -0,0 +1,9 @@
+This rule provides virtual patching for **CVE-2026-93674**, an RCE vulnerability in **Langflow OSS** (IBM), published on 2026-10-07, with a CVSS score of **9.8 (Critical)**.
+
+**Detection:** Detects Python import-based code execution attempts against Langflow code validation.
+
+Virtual patching mitigates exploitation attempts, but it does not fix the underlying vulnerability: upgrading Langflow OSS to a patched version is always recommended.
+
+### References
+- [CVE-2026-93674 on NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-93674)
+- [Exploit reference](https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-93674.yaml)

appsec-rules/crowdsecurity/vpatch-CVE-2026-93674.yaml

@@ -0,0 +1,35 @@
+## autogenerated on 2026-10-20 09:03:19
+name: crowdsecurity/vpatch-CVE-2026-93674
+description: 'Detects Python import-based code execution attempts against Langflow code validation.'
+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: 'import '
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Langflow - RCE'
+  classification:
+    - cve.CVE-2026-93674
+    - attack.T1059
+    - cwe.CWE-94

collections/crowdsecurity/appsec-virtual-patching.yaml

@@ -58,6 +58,7 @@ appsec-rules:
 - crowdsecurity/vpatch-CVE-2024-22024
 - crowdsecurity/vpatch-CVE-2024-27198
 - crowdsecurity/vpatch-CVE-2024-3273
+- crowdsecurity/vpatch-CVE-2026-93674
 - crowdsecurity/vpatch-CVE-2024-4577
 - crowdsecurity/vpatch-CVE-2024-29849
 - crowdsecurity/vpatch-CVE-2023-47218