From 8af85cf00d4a7bd5f9fb10927705700f5b1f8925 Mon Sep 17 00:00:00 2001
From: crowdsec-automation
 <63358111+crowdsec-automation@users.noreply.github.com>
Date: Wed, 16 Sep 2026 15:21:53 +0200
Subject: [PATCH 1/4] Add vpatch-CVE-2026-26217 rule

---
 .../crowdsecurity/vpatch-CVE-2026-26217.yaml  | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 appsec-rules/crowdsecurity/vpatch-CVE-2026-26217.yaml

diff --git a/appsec-rules/crowdsecurity/vpatch-CVE-2026-26217.yaml b/appsec-rules/crowdsecurity/vpatch-CVE-2026-26217.yaml
new file mode 100644
index 00000000000..a7da091e7a5
--- /dev/null
+++ b/appsec-rules/crowdsecurity/vpatch-CVE-2026-26217.yaml
@@ -0,0 +1,35 @@
+## autogenerated on 2026-09-16 13:21:50
+name: crowdsecurity/vpatch-CVE-2026-26217
+description: 'Detects local file inclusion in Crawl4AI through a file scheme supplied to the execute_js endpoint.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - urldecode
+          - lowercase
+        match:
+          type: contains
+          value: '/execute_js'
+      - zones:
+          - BODY_ARGS
+        variables:
+          - json.url
+        transform:
+          - urldecode
+          - lowercase
+        match:
+          type: contains
+          value: 'file://'
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Crawl4AI - LFI'
+  classification:
+    - cve.CVE-2026-26217
+    - attack.T1059
+    - cwe.CWE-22

From f9dc35f64a01f918837114a7c08dfe06fd2d0365 Mon Sep 17 00:00:00 2001
From: crowdsec-automation
 <63358111+crowdsec-automation@users.noreply.github.com>
Date: Wed, 16 Sep 2026 15:21:55 +0200
Subject: [PATCH 2/4] Add vpatch-CVE-2026-26217 test config

---
 .appsec-tests/vpatch-CVE-2026-26217/config.yaml | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .appsec-tests/vpatch-CVE-2026-26217/config.yaml

diff --git a/.appsec-tests/vpatch-CVE-2026-26217/config.yaml b/.appsec-tests/vpatch-CVE-2026-26217/config.yaml
new file mode 100644
index 00000000000..a5c0102da90
--- /dev/null
+++ b/.appsec-tests/vpatch-CVE-2026-26217/config.yaml
@@ -0,0 +1,5 @@
+## autogenerated on 2026-09-16 13:21:50
+appsec-rules:
+  - ./appsec-rules/crowdsecurity/base-config.yaml
+  - ./appsec-rules/crowdsecurity/vpatch-CVE-2026-26217.yaml
+nuclei_template: CVE-2026-26217.yaml

From 5ecee4d96477d8553590d0f06762d8aa06d17578 Mon Sep 17 00:00:00 2001
From: crowdsec-automation
 <63358111+crowdsec-automation@users.noreply.github.com>
Date: Wed, 16 Sep 2026 15:21:57 +0200
Subject: [PATCH 3/4] Add CVE-2026-26217.yaml test

---
 .../vpatch-CVE-2026-26217/CVE-2026-26217.yaml | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 .appsec-tests/vpatch-CVE-2026-26217/CVE-2026-26217.yaml

diff --git a/.appsec-tests/vpatch-CVE-2026-26217/CVE-2026-26217.yaml b/.appsec-tests/vpatch-CVE-2026-26217/CVE-2026-26217.yaml
new file mode 100644
index 00000000000..892e09cce1a
--- /dev/null
+++ b/.appsec-tests/vpatch-CVE-2026-26217/CVE-2026-26217.yaml
@@ -0,0 +1,20 @@
+## autogenerated on 2026-09-16 13:21:50
+id: CVE-2026-26217
+info:
+  name: CVE-2026-26217
+  author: crowdsec
+  severity: info
+  description: CVE-2026-26217 testing
+  tags: appsec-testing
+http:
+  - method: POST
+    path:
+      - '{{BaseURL}}/execute_js'
+    headers:
+      Content-Type: application/json
+    body: '{"url": "file:///etc/passwd", "scripts": ["document.body.innerText"]}'
+    cookie-reuse: true
+    matchers:
+      - type: status
+        status:
+          - 403

From 28747ee436dc591a89247a8e0f479e9c0ca02a3f Mon Sep 17 00:00:00 2001
From: crowdsec-automation
 <63358111+crowdsec-automation@users.noreply.github.com>
Date: Wed, 16 Sep 2026 15:21:59 +0200
Subject: [PATCH 4/4] Add vpatch-CVE-2026-26217 rule to vpatch collection

---
 collections/crowdsecurity/appsec-virtual-patching.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/collections/crowdsecurity/appsec-virtual-patching.yaml b/collections/crowdsecurity/appsec-virtual-patching.yaml
index 94d0ed3d1ea..8aebff2ed7d 100644
--- a/collections/crowdsecurity/appsec-virtual-patching.yaml
+++ b/collections/crowdsecurity/appsec-virtual-patching.yaml
@@ -158,6 +158,7 @@ appsec-rules:
 - crowdsecurity/vpatch-CVE-2020-8656
 - crowdsecurity/vpatch-CVE-2025-27222
 - crowdsecurity/vpatch-CVE-2025-64446
+- crowdsecurity/vpatch-CVE-2026-26217
 - crowdsecurity/vpatch-CVE-2020-10987
 - crowdsecurity/vpatch-CVE-2025-55182
 - crowdsecurity/vpatch-CVE-2024-6235