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OpenAdvisories
Medium · 4.3 CVE-2026-86120 EUVD-2026-71952GHSA-9r64-6j93-9769

APITable through 1.13.0-beta.1 Fail-Open Authorization in the Fusion API Node Permission Guard

Published Sep 5, 2026 · Updated Sep 24, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
apitable apitable ≤ 1.13.0-beta.1 —

References