CVE-2026-88404 json
A remote code execution (RCE) vulnerability in the UniscriptExecutionService.execute() function (/services/script-execution.service.ts) of…
published 2026-09-21 49 d ago modified 2026-09-22 47 d ago also EUVD-2026-84195
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 47 d ago
Exploit prediction
0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/czx1111/cve/issues/8 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/czx1111/cve/issues/8
exploit
Sources
- CVE List CVE-2026-88404
- NVD CVE-2026-88404
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