CVE-2026-88404
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductUniver
PublishedSep 21, 2026
First seenSep 21, 2026
Weakness typeCWE-94Code injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Univer | 1.0.0-alpha.2 | — |
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