{"id":"CVE-2026-86120","title":"APITable through 1.13.0-beta.1 contains an incorrect authorization vulnerability in NodePermissionGuard that fails to enforce node-level access control when permission lookups throw exceptions","summary":"APITable through 1.13.0-beta.1 contains an incorrect authorization vulnerability in NodePermissionGuard that fails to enforce node-level access control when permission lookups throw exceptions. Attackers with valid Fusion API tokens can …","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-636"],"vendor":"apitable","product":"apitable","affected":["apitable <= 1.13.0-beta.1"],"published":"2026-09-05","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:17:45.150","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86120","references":[{"url":"https://github.com/apitable/apitable","label":"disclosure@vulncheck.com"},{"url":"https://github.com/apitable/apitable/blob/88b24ce9f359/packages/room-server/src/fusion/middleware/guard/node.permission.guard.ts","label":"disclosure@vulncheck.com"},{"url":"https://github.com/apitable/apitable/issues/1814","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/apitable-through-1.13.0-beta.1-fail-open-authorization-in-the-fusion-api-node-permission-guard","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00366,"epssPercentile":0.27725,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T18:10:53.124006Z"},"ingestedAt":"2026-09-06T07:51:56.158Z","slug":"CVE-2026-86120","body":"## Overview\n\nAPITable through 1.13.0-beta.1 contains an incorrect authorization vulnerability in NodePermissionGuard that fails to enforce node-level access control when permission lookups throw exceptions. Attackers with valid Fusion API tokens can write attachments to private datasheets they have been explicitly denied access to by exploiting the unhandled exception in the permission guard.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}