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Vulnerabilities

CVE-2026-47356

High
CWE-918 — Weakness Type
Published: May 19, 2026  ·  Modified: May 26, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

Terrascan v1.18.3 and prior are vulnerable to Server-Side Request Forgery (SSRF) via the webhook_url parameter in the file scan endpoint (POST /v1/{iac}/{iacVersion}/{cloud}/local/file/scan) when running in server mode. An unauthenticated remote attacker can supply an arbitrary URL as the webhook_url multipart form parameter. After scanning the uploaded file, Terrascan sends an HTTP POST request to the attacker-controlled URL containing the full scan results as a JSON body, with the attacker-supplied webhook_token forwarded as a Bearer token in the Authorization header. The retryable HTTP client retries up to 10 times on failure. This affects deployments running terrascan in server mode (terrascan server), which binds to 0.0.0.0 with no authentication. Note: Terrascan was archived in August 2023 and no patch will be released.

🤖 AI Executive Summary

Terrascan v1.18.3 and prior contain an unauthenticated Server-Side Request Forgery vulnerability in the webhook_url parameter of the file scan endpoint, allowing attackers to redirect scan results to arbitrary URLs. The vulnerability affects deployments running Terrascan in server mode without authentication, with no patches available as the project was archived in August 2023.

📄 Description (Arabic)

ثغرة Server-Side Request Forgery في Terrascan تسمح للمهاجمين غير المصرح بهم بتوجيه نتائج مسح البنية التحتية كرمز إلى عناوين URL يتحكمون بها. يتم إرسال نتائج المسح الكاملة كـ JSON مع إعادة محاولة تلقائية تصل إلى 10 مرات، مما يزيد من خطر تسرب البيانات الحساسة. المشروع تم أرشفته ولن يتم إصدار أي تصحيحات أمنية.

🤖 ملخص تنفيذي (AI)

Terrascan v1.18.3 وإصدارات سابقة تحتوي على ثغرة SSRF غير مصرح بها في معامل webhook_url في نقطة نهاية مسح الملفات، مما يسمح للمهاجمين بإعادة توجيه نتائج المسح إلى عناوين URL عشوائية. تؤثر الثغرة على النشرات التي تعمل بوضع خادم Terrascan بدون مصادقة، وبدون تصحيحات متاحة لأن المشروع تم أرشفته في أغسطس 2023.

🤖 AI Intelligence Analysis Analyzed: May 21, 2026 17:17
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government banking energy telecom
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
Immediately discontinue use of Terrascan v1.18.3 and prior versions. Migrate to alternative Infrastructure-as-Code scanning solutions with active maintenance and security support. If continued use is unavoidable, implement network segmentation to restrict outbound connections from Terrascan servers, disable server mode, enforce authentication mechanisms at the network level, and monitor all HTTP requests originating from Terrascan instances.
🔧 خطوات المعالجة (العربية)
توقف فوراً عن استخدام Terrascan v1.18.3 والإصدارات السابقة. الهجرة إلى حلول بديلة لمسح Infrastructure-as-Code مع صيانة نشطة ودعم أمني. إذا كان الاستخدام المستمر ضروريًا، قم بتنفيذ تقسيم الشبكة لتقييد الاتصالات الصادرة من خوادم Terrascan، وتعطيل وضع الخادم، وفرض آليات المصادقة على مستوى الشبكة، ومراقبة جميع طلبات HTTP الصادرة من مثيلات Terrascan.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.7.1.1 A.7.1.2 A.8.1.1
🔵 SAMA CSF
ID.BE-1 PR.AC-1 PR.DS-1
🟡 ISO 27001:2022
A.6.1.1 A.13.1.1 A.13.1.3
📦 Affected Products / CPE 1 entries
tenable:terrascan
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityN — None / Network
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-918
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-05-19
Source Feed nvd
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-918
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