{"id":"CVE-2026-88404","title":"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.","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.","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":"2026-09-22","sourceUpdated":"2026-09-22T20:00:03.713","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88404","references":[{"url":"https://github.com/czx1111/cve/issues/8","label":"cve@mitre.org"},{"url":"https://github.com/czx1111/cve/issues/8","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00208,"epssPercentile":0.11291,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-22T14:24:08.659915Z"},"ingestedAt":"2026-09-21T21:53:57.421Z","slug":"CVE-2026-88404","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":209096,"id":"CVE-2026-88404","ts":1790089537389,"field":"exploit_available","old":"false","new":"true"},{"seq":209095,"id":"CVE-2026-88404","ts":1790089537389,"field":"cvss","old":null,"new":"9.8"},{"seq":209094,"id":"CVE-2026-88404","ts":1790089537389,"field":"severity","old":"none","new":"critical"}]}