CVE-2026-43899 - Vulnerability Analysis
CriticalCVSS: 9.6Last Updated: May 12, 2026
DeepChat - Remote Code Execution
Published: May 11, 2026Updated: May 12, 2026Remote Exploitable
Overview
DeepChat < 1.0.4-beta.1 contains a remote code execution caused by improper sanitization of native Electron pop-up window handlers, letting attackers bypass security boundaries via malicious Markdown links, exploit requires attacker or compromised AI endpoint.
Severity & Score
Severity: Critical
CVSS Score: 9.6
Impact
Attackers can execute arbitrary protocols remotely, potentially leading to full system compromise.
Mitigation
Update to version 1.0.4-beta.1 or later.
Related Resources
Details
- CVE ID
- CVE-2026-43899
- Severity
- Critical
- CVSS Score
- 9.6
- Type
- remote_code_execution
- Status
- rejected
CWE
- CWE-20
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H