CVE WatchOct 20, 2026

CVE-2026-109443

JoySafeter through 1.0.0 contains a remote code execution vulnerability that allows authenticated users to run operating system commands via

CVSS

8.8

High

EPSS

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KEV

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Exploit Today

0-100

Published: Oct 20, 2026 · Last modified: Oct 20, 2026 · CWE-653

EPSS · 30d

Not enough EPSS history yet.

Technical description

JoySafeter through 1.0.0 contains a remote code execution vulnerability that allows authenticated users to run operating system commands via an unsandboxed execute tool in Copilot standard mode. Attackers can self-register, select standard mode in the WebSocket chat.start extension, and have the agent invoke subprocess.run with shell=True on the host to access other tenants' data and server secrets.

Official references

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CVE-2026-1094415.8 MED

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