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.
Published: 2026-09-05
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Advisories

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History

Sat, 05 Sep 2026 10:15:00 +0000

Type Values Removed Values Added
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.
Title APITable through 1.13.0-beta.1 Fail-Open Authorization in the Fusion API Node Permission Guard
Weaknesses CWE-636
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-05T09:59:09.419Z

Reserved: 2026-09-05T01:59:22.436Z

Link: CVE-2026-86120

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-05T10:16:43.307

Modified: 2026-09-05T10:16:43.307

Link: CVE-2026-86120

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses