CVE-2026-109443: JoySafeter
The National Vulnerability Database (NVD) record says self-registered users of JoySafeter through 1.0.0 can have its Copilot agent, in standard mode, run operating system commands through an unsandboxed execute tool, reaching other tenants' data and server secrets.
The record
- Kind
- Vulnerability
- Source record
- CVE-2026-109443: JoySafeter through 1.0.0 contains a remote code execution vulnerability that allows authenticated users to run (National Vulnerability Database record)
- Record published
- 2026-10-20
- Posted here
- 2026-10-20
- World
- Software agents · Enterprise work agents
- Controls concerned
- Containment and isolation C-E5; Destructive-action gate C-E3
- Checked
- Checked against its record on 2026-10-22 by a reader who did not draft it; report
verification/reports/SIG-2026-10-20-005-2026-10-22.md.
A signal's controls are the ones its record points at, the exposure; a case's controls are the ones its records show were absent or failed, so the two can differ.
Corrections
Changes to what this signal says, with the reason. Every earlier version is kept.
- 2026-10-22: Summary. Plain-language rule: abbreviations spelled out at first use (NVD, MCP, SDK). No claim changed. 22 October 2026.
Show the change
Before: The NVD record says self-registered users of JoySafeter through 1.0.0 can have its Copilot agent, in standard mode, run operating system commands through an unsandboxed execute tool, reaching other tenants' data and server secrets.After: The National Vulnerability Database (NVD) record says self-registered users of JoySafeter through 1.0.0 can have its Copilot agent, in standard mode, run operating system commands through an unsandboxed execute tool, reaching other tenants' data and server secrets.
What a signal is. A signal records what a primary record says; it assigns no fault. It is lighter than a case: one dated item from one record, tagged with the world, sector and controls it touches. It becomes a case when it meets the bar for one.
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