Vulnerability in Apitable
CVE-2026-86120
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 · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/apitable/apitable (product)
- github.com/apitable/apitable/blob/88b24ce9f359/packages/room-server/src/fusion/… (technical-description)
- github.com/apitable/apitable/issues/1814 (issue-tracking)
- www.vulncheck.com/advisories/apitable-through-1.13.0-beta.1-fail-open-authoriza… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-86120?
- CVE-2026-86120 is a medium-severity vulnerability in Apitable, classified under CWE-636. CVSS score: 4.3/10. Published 2026-09-05.
- How severe is CVE-2026-86120?
- Medium severity. CVSS v3 base score is 4.3 out of 10.