{"id":"CVE-2026-88405","title":"A remote code execution (RCE) vulnerability in the RemoteRegisterFunctionService function (/remote/remote-register-function.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 RemoteRegisterFunctionService function (/remote/remote-register-function.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":"2026-09-24","sourceUpdated":"2026-09-24T13:17:12.097","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88405","references":[{"url":"https://github.com/czx1111/cve/issues/9","label":"cve@mitre.org"},{"url":"https://github.com/czx1111/cve/issues/9","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-24T12:50:54.284668Z"},"epss":0.0075,"epssPercentile":0.54756,"ingestedAt":"2026-09-21T20:52:58.296Z","slug":"CVE-2026-88405","body":"## Overview\n\nA remote code execution (RCE) vulnerability in the RemoteRegisterFunctionService function (/remote/remote-register-function.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":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":210134,"id":"CVE-2026-88405","ts":1790257441786,"field":"exploit_available","old":"false","new":"true"},{"seq":210133,"id":"CVE-2026-88405","ts":1790257441786,"field":"cvss","old":null,"new":"9.8"},{"seq":210132,"id":"CVE-2026-88405","ts":1790257441786,"field":"severity","old":"none","new":"critical"}]}