CriticalCritical vulnerability

CVE-2026-88405 (CVSS 9.8)

NVD · officialPublished Sep 21, 2026Risk 50/100EPSS 0.3%

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.

Technical details

CVSS

9.8

AV:NetworkAC:LowPR:NoneUI:NoneC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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