VULNERABILITY INTELLIGENCE
CVE-2026-86120
CVSS score4.3 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-09-05
Last modified2026-09-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Description
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 write attachments to private datasheets they have been explicitly denied access to by exploiting the unhandled exception in the permission guard.
Weakness classification
- disclosure@vulncheck.com: CWE-636