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Vulnerabilities

CVE-2026-42294

High ⚡ Exploit Available
CWE-770 — Weakness Type
Published: May 9, 2026  ·  Modified: May 16, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, the Webhook Interceptor loads the entire request body into memory before authenticating the request or verifying its signature. This occurs on the /api/v1/events/ endpoint, which is publicly accessible (albeit intended for webhooks). An attacker can send a request with an extremely large body (e.g., multiple gigabytes), causing the Argo Server to allocate excessive memory, potentially leading to an Out-Of-Memory (OOM) crash and denial of service. This issue has been patched in versions 3.7.14 and 4.0.5.

🤖 AI Executive Summary

Argo Workflows webhook interceptor loads entire request bodies into memory before authentication, allowing unauthenticated attackers to send massive payloads causing out-of-memory crashes. This denial of service vulnerability affects the publicly accessible /api/v1/events/ endpoint in versions prior to 3.7.14 and 4.0.5.

📄 Description (Arabic)

يقوم معترض Argo Workflows للويب هوك بتحميل أجسام الطلبات بالكامل في الذاكرة قبل المصادقة أو التحقق من التوقيع. يمكن للمهاجمين إرسال طلبات بأحجام ضخمة جداً (عدة جيجابايت) عبر نقطة النهاية العامة /api/v1/events/ مما يسبب استنزاف الذاكرة. هذا يؤدي إلى انهيار خادم Argo بسبب نفاد الذاكرة وتعطل الخدمة.

🤖 ملخص تنفيذي (AI)

Argo Workflows webhook interceptor loads entire request bodies into memory before authentication, allowing unauthenticated attackers to send massive payloads causing out-of-memory crashes. This denial of service vulnerability affects the publicly accessible /api/v1/events/ endpoint in versions prior to 3.7.14 and 4.0.5.

🤖 AI Intelligence Analysis Analyzed: May 15, 2026 01:15
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government telecom energy banking
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade Argo Workflows to version 3.7.14 or 4.0.5 or later immediately. Implement network-level access controls to restrict access to the /api/v1/events/ endpoint to trusted webhook sources only. Deploy rate limiting and request size limits on the webhook endpoint. Monitor memory usage and implement alerting for abnormal memory consumption patterns.
🔧 خطوات المعالجة (العربية)
قم بترقية Argo Workflows إلى الإصدار 3.7.14 أو 4.0.5 أو أحدث فوراً. طبق عناصر تحكم في الوصول على مستوى الشبكة لتقييد الوصول إلى نقطة /api/v1/events/ للمصادر الموثوقة فقط. نشر تحديد معدل وحدود حجم الطلب على نقطة الويب هوك. راقب استخدام الذاكرة وطبق التنبيهات لأنماط استهلاك الذاكرة غير الطبيعية.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
7.1 7.2 8.1
🔵 SAMA CSF
ID.BE-5 PR.DS-4 DE.CM-1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1
📦 Affected Products / CPE 2 entries
argoproj:argo_workflows
argoproj:argo_workflows
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-770
EPSS0.04%
Exploit ✓ Yes
Patch ✓ Yes
Published 2026-05-09
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
exploit-available patch-available CWE-770
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