CVE-2026-47316 Samsung Open Source CVE debrief

Who should care

Organizations using Samsung Escargot in embedded systems, IoT devices, or other JavaScript execution environments should prioritize this patch. Developers maintaining products with Escargot integration should monitor the referenced pull request for merge status and prepare for update deployment.

Technical summary

This vulnerability exists in Escargot, Samsung's open-source JavaScript engine designed for resource-constrained environments. The improper handling of exceptional conditions (CWE-703) allows an attacker to manipulate input data in a way that triggers unexpected behavior. The CVSS scoring suggests local attack vector with user interaction required, pointing to potential attack scenarios involving crafted JavaScript files or strings processed by the engine. The high availability impact (A:H) with no confidentiality or integrity impact suggests the primary risk is denial of service through crashes or hangs rather than code execution or data exfiltration.

Defensive priority

medium

Recommended defensive actions

• Review the referenced GitHub pull request for patch details and apply when available
• Monitor Samsung/escargot repository for official release containing the fix
• Assess use of Escargot JavaScript engine in embedded or IoT products
• Implement input validation and sandboxing for JavaScript execution contexts where Escargot is deployed
• Subscribe to Samsung PSIRT advisories for updated guidance

Evidence notes

The CVE description identifies the affected component as Samsung Open Source Escargot, a JavaScript engine. The specific affected version is identified by Git commit hash 590345cc6258317c5da850d846ce6baaf2afc2d3. The CVSS vector (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) indicates a local attack vector requiring user interaction, with high availability impact but no confidentiality or integrity impact.

Official resources