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Vulnerabilities

CVE-2025-69227

High
AIOHTTP Infinite Loop DoS Vulnerability in Request.post() Method (CVE-2025-69227)
CWE-835 — Weakness Type
Published: Jan 6, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow for an infinite loop to occur when assert statements are bypassed, resulting in a DoS attack when processing a POST body. If optimizations are enabled (-O or PYTHONOPTIMIZE=1), and the application includes a handler that uses the Request.post() method, then an attacker may be able to execute a DoS attack with a specially crafted message. This issue is fixed in version 3.13.3.

🤖 AI Executive Summary

AIOHTTP versions 3.13.2 and below contain an infinite loop vulnerability (CWE-835) when assert statements are bypassed in optimized Python environments. Attackers can exploit the Request.post() method with crafted messages to cause denial of service. Version 3.13.3 patches this critical flaw.

📄 Description (Arabic)

تؤثر هذه الثغرة على إطار عمل AIOHTTP للعميل والخادم غير المتزامن في بايثون. عند تفعيل التحسينات (-O أو PYTHONOPTIMIZE=1)، يتم تجاوز عبارات assert مما يسمح بحدوث حلقة لا نهائية عند معالجة بيانات POST. يستطيع المهاجم إرسال رسائل مصممة بشكل خاص لاستهلاك موارد الخادم بالكامل وإيقاف الخدمة. تصنف الثغرة ضمن CWE-835 وتحمل درجة خطورة 7.5 على مقياس CVSS، وتم إصدار تصحيح في الإصدار 3.13.3 لمعالجة المشكلة بشكل كامل.

🤖 ملخص تنفيذي (AI)

تحتوي إصدارات AIOHTTP 3.13.2 وما دونها على ثغرة حلقة لا نهائية عند تجاوز عبارات التأكيد في بيئات بايثون المحسّنة. يمكن للمهاجمين استغلال دالة Request.post()‎ برسائل مصممة خصيصاً للتسبب في حجب الخدمة. الإصدار 3.13.3 يعالج هذه الثغرة الحرجة.

🤖 AI Intelligence Analysis Analyzed: Feb 28, 2026 07:33
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using AIOHTTP in production Python applications with optimizations enabled face high risk of service disruption. Financial institutions, government portals, and e-commerce platforms relying on AIOHTTP for API services could experience complete service outages affecting customer transactions and critical operations.
🏢 Affected Saudi Sectors
الخدمات المالية والمصرفية الجهات الحكومية التجارة الإلكترونية الاتصالات وتقنية المعلومات الرعاية الصحية التعليم الإلكتروني الخدمات اللوجستية
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
1. Immediately upgrade AIOHTTP to version 3.13.3 or later across all production and development environments running Python applications with optimization flags enabled.
2. Conduct comprehensive inventory of all Python applications using AIOHTTP, particularly those with Request.post() handlers, and prioritize patching based on internet exposure and criticality.
3. Implement rate limiting and input validation on POST endpoints as defense-in-depth measures, and monitor application logs for unusual request patterns or resource consumption spikes indicating exploitation attempts.
🔧 خطوات المعالجة (العربية)
1. الترقية الفورية لمكتبة AIOHTTP إلى الإصدار 3.13.3 أو أحدث في جميع بيئات الإنتاج والتطوير التي تشغل تطبيقات بايثون مع أعلام التحسين المفعّلة.
2. إجراء جرد شامل لجميع تطبيقات بايثون المستخدمة لـ AIOHTTP، خاصة تلك التي تحتوي على معالجات Request.post()‎، وترتيب أولويات التصحيح بناءً على التعرض للإنترنت والأهمية الحرجة.
3. تطبيق تقييد معدل الطلبات والتحقق من صحة المدخلات على نقاط POST كإجراءات دفاعية متعددة الطبقات، ومراقبة سجلات التطبيقات لاكتشاف أنماط طلبات غير عادية أو ارتفاعات في استهلاك الموارد تشير لمحاولات استغلال.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-2 (Vulnerability Management) ECC-3-1 (System Hardening) ECC-4-1 (Continuous Monitoring) ECC-5-2 (Incident Response)
🔵 SAMA CSF
CCC-1.1.1 (Asset Management) CCC-3.1.1 (Vulnerability Assessment) CCC-3.1.2 (Patch Management) CCC-5.1.1 (Security Monitoring)
🟡 ISO 27001:2022
A.12.6.1 (Management of Technical Vulnerabilities) A.14.2.5 (Secure System Engineering Principles) A.16.1.3 (Reporting Information Security Events)
📦 Affected Products / CPE 1 entries
aiohttp:aiohttp
📊 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-835
EPSS0.06%
Exploit No
Patch ✓ Yes
Published 2026-01-06
Source Feed nvd
Views 2
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
patch-available CWE-835
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