CVE-2026-88405

A remote code execution (RCE) vulnerability in the RemoteRegisterFunctionService function (/remote/remote-register-function.service.ts) of Univer v1.0.0-alpha.2 allows attackers to execute arbitrary code via a crafted payload.

  • Published Sep 21, 2026
  • CVSS 9.8 critical
  • 0.8% chance of exploitation in the next 30 days (EPSS)

CVE-2026-88405 at the National Vulnerability Database