CVE-2026-88405 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-94

References

FAQ

What is CVE-2026-88405?

CVE-2026-88405 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 c...

How severe is CVE-2026-88405?

CVE-2026-88405 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-88405?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.