Access control filter bypass allows unauthorised access to APIs

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86206
StatePUBLISHED
AssignerN-able
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-05 20:17:18 UTC
Updated2026-09-05 20:17:18 UTC
DescriptionA vulnerability in the N-central internal API access control filter allows unauthorised access to internal APIs. This is fixed in N-central 2026.3 HF3 and 2026.4

Risk And Classification

Primary CVSS: v4.0 6.9 MEDIUM from a5532a13-c4dd-4202-bef1-e0b8f2f8d12b

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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

Problem Types: CWE-791 | CWE-791 CWE-791 Incomplete filtering of special elements

VersionSourceTypeScoreSeverityVector
4.0a5532a13-c4dd-4202-bef1-e0b8f2f8d12bSecondary6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA N-able N-central affected 2026.3.1.13 custom Not specified

References

ReferenceSourceLinkTags
me.n-able.com/s/security-advisory/aArVy0000002LTNKA2/cve202686206-access-co... a5532a13-c4dd-4202-bef1-e0b8f2f8d12b me.n-able.com
documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Relea... a5532a13-c4dd-4202-bef1-e0b8f2f8d12b documentation.n-able.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Michael Tigges of Huntress (en)

CNA: Rashmi Harish of Rapid7 (en)

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