CVE-2026-86120

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 30.2% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-09-23.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-09-05 09:59Z1 MO AGO

Last updated

2026-09-24 14:21Z1 MO AGO

Reserved

2026-09-05

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS 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

Weaknesses

• CWE-636Not Failing Securely ('Failing Open')Class

Data version

5.2

Document digest

c61fb052343c1306c1614d7ebf80c2c2e193d6c61a02234275955dee5467dc43

• github.comGitHub Issue #1814https://github.com/apitable/apitable/issues/1814issue-tracking
• github.comNodePermissionGuard.matchPermissions empty catchhttps://github.com/apitable/apitable/blob/88b24ce9f359/packages/room-server/src/fusion/middleware/guard/node.permission.guard.tstechnical-description
• github.comhttps://github.com/apitable/apitableproduct
• www.vulncheck.comVulnCheck Advisory: APITable through 1.13.0-beta.1 Fail-Open Authorization in the Fusion API Node Permission Guardhttps://www.vulncheck.com/advisories/apitable-through-1.13.0-beta.1-fail-open-authorization-in-the-fusion-api-node-permission-guardthird-party-advisory