CVE-2026-22035
7.7 · HIGHOverview
CVE-2026-22035 is a high-severity vulnerability affecting getgreenshot greenshot. It was published on January 8, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from getgreenshot. Update greenshot to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| getgreenshot | greenshot | >= 0, < 1.3.311 | Affected |
References
Frequently Asked Questions
What is CVE-2026-22035?
CVE-2026-22035 is a high-severity vulnerability affecting getgreenshot greenshot. It was published on January 8, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).
How severe is CVE-2026-22035?
This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-22035?
Check the references section for vendor advisories and patches from getgreenshot. Update greenshot to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-22035?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-22035 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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