HIGHCVSS v3.1 8.8Vulnerability
CVE-2026-109443
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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00705
- Cvss severity
- HIGH
- Cvss score
- 8.8
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Score
- 8.8
- Cvss version
- 3.1
- Cve id
- CVE-2026-109443
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-10-20T04:27:34+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-10-20T01:17:10.527
- Last modified
- 2026-10-20T20:11:29.833
- Epss percentile
- 0.52519
Related Entities (1)
HAS_WEAKNESS (1)
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