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Vulnerabilities

CVE-2026-22035

High ⚡ Exploit Available
Greenshot OS Command Injection via Unsanitized Filename Processing (CVE-2026-22035)
CWE-78 — Weakness Type
Published: Jan 8, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.7
🔗 NVD Official
📄 Description (English)

Greenshot is an open source Windows screenshot utility. Versions 1.3.310 and below arvulnerable to OS Command Injection through unsanitized filename processing. The FormatArguments method in ExternalCommandDestination.cs:269 uses string.Format() to insert user-controlled filenames directly into shell commands without sanitization, allowing attackers to execute arbitrary commands by crafting malicious filenames containing shell metacharacters. This issue is fixed in version 1.3.311.

🤖 AI Executive Summary

Greenshot screenshot utility versions 1.3.310 and below are vulnerable to OS command injection through unsanitized filename processing in the FormatArguments method. Attackers can execute arbitrary commands by crafting malicious filenames containing shell metacharacters.

📄 Description (Arabic)

تحتوي أداة Greenshot على ثغرة حقن أوامر نظام التشغيل في الإصدارات 1.3.310 وما دونها حيث تقوم دالة FormatArguments بإدراج أسماء الملفات التي يتحكم بها المستخدم مباشرة في أوامر shell دون تعقيم. يمكن للمهاجمين استغلال هذه الثغرة بإنشاء أسماء ملفات ضارة تحتوي على أحرف خاصة لتنفيذ أوامر تعسفية على النظام.

🤖 ملخص تنفيذي (AI)

أداة Greenshot لالتقاط الشاشة الإصدارات 1.3.310 وما دونها عرضة لحقن أوامر نظام التشغيل من خلال معالجة أسماء الملفات غير المعقمة. يمكن للمهاجمين تنفيذ أوامر تعسفية بصياغة أسماء ملفات ضارة تحتوي على أحرف ميتاشل.

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 16:00
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
government banking telecom
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
Update Greenshot to version 1.3.311 or later immediately. If immediate patching is not possible, restrict file naming conventions and disable external command execution features until the patch is applied.
🔧 خطوات المعالجة (العربية)
قم بتحديث Greenshot إلى الإصدار 1.3.311 أو أحدث على الفور. إذا لم يكن التصحيح الفوري ممكناً، قيد اتفاقيات تسمية الملفات وعطل ميزات تنفيذ الأوامر الخارجية حتى يتم تطبيق التصحيح.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.6.1 A.14.2.1
🔵 SAMA CSF
ID.RA-1 PR.IP-12
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.14.2.5
📦 Affected Products / CPE 1 entries
getgreenshot:greenshot
📊 CVSS Score
7.7
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack VectorL — Low / Local
Attack ComplexityH — High
Privileges RequiredN — None / Network
User InteractionR — Required
ScopeC — Changed
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.7
CWECWE-78
EPSS0.05%
Exploit ✓ Yes
Patch ✓ Yes
Published 2026-01-08
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
exploit-available patch-available CWE-78
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