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CVE-2026-88404

9.8 CRITICALpublic exploit available

Published 2026-09-21 · Updated 2026-09-22

AI risk analysis

Summary
This vulnerability allows attackers to execute arbitrary code via a crafted payload, posing a critical risk due to remote code execution capabilities.
Exploitability
Exploitation is relatively straightforward given the precise payload required, and attackers need network access to the affected Univer v1.0.0-alpha.2 service.
Blast radius
If exploited, the impact could be severe, as it allows for full control over the system, potentially leading to data loss, system compromise, and broader network attacks.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to Univer v1.0.0-alpha.3 or later, as the vulnerability was patched in this version.
rcewebremote-code-execution

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

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.

CVSS vector

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

Weaknesses

CWE-94

Public exploit & PoC references

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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