CVE-2026-86120

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-09-05. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

September 5, 2026

Last Modified

September 8, 2026

Advisory Details (4)

Auto-updated Sep 5, 2026
No patch confirmed yet.
generic

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

https://www.vulncheck.com/advisories/apitable-through-1.13.0-beta.1-fail-open-authorization-in-the-fusion-api-node-permission-guard
generic

APITable: fail-open NodePermissionGuard allows attachment write to denied private datasheets · Issue #1814 · apitable/apitable · GitHub

https://github.com/apitable/apitable/issues/1814
generic

apitable/packages/room-server/src/fusion/middleware/guard/node.permission.guard.ts at 88b24ce9f359cc434778be75d03603182882dc76 · apitable/apitable · GitHub

https://github.com/apitable/apitable/blob/88b24ce9f359/packages/room-server/src/fusion/middleware/guard/node.permission.guard.ts
generic

GitHub - apitable/apitable: 🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives. · GitHub

https://github.com/apitable/apitable

Vendor Advisories for CVE-2026-86120(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 18:38 UTCEG score recompute
  3. 2026-09-18 18:38 UTCGHSA enrichment
  4. 2026-09-17 19:32 UTCEPSS rescore
  5. 2026-09-17 16:17 UTCEG score recompute
  6. 2026-09-17 16:17 UTCGHSA enrichment
  7. 2026-09-16 14:09 UTCEPSS rescore
  8. 2026-09-16 13:56 UTCEG score recompute
  9. 2026-09-16 13:56 UTCGHSA enrichment
  10. 2026-09-16 05:15 UTCEPSS rescore
  11. 2026-09-15 11:04 UTCEG score recompute
  12. 2026-09-15 11:04 UTCGHSA enrichment
  13. 2026-09-15 03:12 UTCEPSS rescore
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-14 08:43 UTCEG score recompute
  16. 2026-09-14 08:43 UTCGHSA enrichment
  17. 2026-09-13 06:22 UTCEG score recompute
  18. 2026-09-13 06:22 UTCGHSA enrichment
  19. 2026-09-12 04:02 UTCEG score recompute
  20. 2026-09-12 04:02 UTCGHSA enrichment
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-11 14:53 UTCEPSS rescore
  23. 2026-09-11 01:41 UTCEG score recompute
  24. 2026-09-11 01:41 UTCGHSA enrichment
  25. 2026-09-09 23:20 UTCEG score recompute
Show 12 more
  1. 2026-09-09 23:20 UTCGHSA enrichment
  2. 2026-09-08 22:01 UTCEPSS rescore
  3. 2026-09-08 19:55 UTCEG score recompute
  4. 2026-09-08 19:55 UTCGHSA enrichment
  5. 2026-09-07 15:03 UTCEG score recompute
  6. 2026-09-07 15:02 UTCGHSA enrichment
  7. 2026-09-06 13:48 UTCEPSS rescore
  8. 2026-09-06 12:42 UTCEG score recompute
  9. 2026-09-06 12:42 UTCGHSA enrichment
  10. 2026-09-05 10:22 UTCEG score recompute
  11. 2026-09-05 10:16 UTCEG score recompute
  12. 2026-09-05 10:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-86120?
CVE-2026-86120 is a medium vulnerability published on September 5, 2026. 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…
When was CVE-2026-86120 disclosed?
CVE-2026-86120 was first published in the National Vulnerability Database on September 5, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-86120 actively exploited?
CVE-2026-86120 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.0% of all scored CVEs.
What is the CVSS score of CVE-2026-86120?
CVE-2026-86120 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-86120?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86120, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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