---
id: CVE-2026-88405
title: >-
  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.
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-94
published: '2026-09-21'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:17:12.097'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88405'
references:
  - url: 'https://github.com/czx1111/cve/issues/9'
    label: cve@mitre.org
  - url: 'https://github.com/czx1111/cve/issues/9'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-24T12:50:54.284668Z'
epss: 0.00265
epssPercentile: 0.16362
ingestedAt: '2026-09-21T20:52:58.296Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.