OCTOBER 7, 2026
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Case File

CVE-2026-88404

CRITICAL · CVSS 9.8 EPSS 0.75% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-21 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

The UniscriptExecutionService in Univer v1.0.0-alpha.2 is vulnerable to remote code execution, enabling attackers to execute arbitrary code through specially crafted payloads. Organizations using this version should prioritize patching or mitigating this vulnerability to prevent potential exploitation. Immediate attention is necessary for any systems relying on this service to safeguard against unauthorized access and control.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution
GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-88404
Severity
CRITICAL
CVSS
9.8
EPSS
0.75%

Original NVD Description

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