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CVE-2026-86206— Access control filter bypass allows unauthorised access to APIs

Quick assessment

Affected
N-able N-central
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

N-able n-central是加拿大N-able公司的一款集成网络监控与IT服务管理功能的产品。 N-able n-central 2026.3.1.13之前版本存在输入验证错误漏洞，该漏洞源于内部API访问控制过滤器存在缺陷，可能导致未经授权访问内部API。

CVSS 6.9 · Medium EPSS 0.68% · P50

Public Exploits 1

Nuclei · 1 CVE-2026-86206.yaml [template]

Possible ATT&CK Techniques 2 AI

T1210.003 T1210.001

Affected Version Matrix 1

VendorProduct Version RangeStatus
N-able N-central < 2026.3.1.13 affected
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I. Basic Information for CVE-2026-86206

Vulnerability Information
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Vulnerability Title
Access control filter bypass allows unauthorised access to APIs
Source: CVE Program / CVE List V5
Vulnerability Description
A 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
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
特殊元素过滤不完全
Source: CVE Program / CVE List V5
Vulnerability Title
N-able n-central 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
N-able n-central是加拿大N-able公司的一款集成网络监控与IT服务管理功能的产品。 N-able n-central 2026.3.1.13之前版本存在输入验证错误漏洞，该漏洞源于内部API访问控制过滤器存在缺陷，可能导致未经授权访问内部API。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
N-able N-central 0 ~ 2026.3.1.13 -

II. Public POCs for CVE-2026-86206

# POC Description Source Link Shenlong Link
1 A 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 https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-86206.yaml POC Details
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III. Intelligence Information for CVE-2026-86206

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Vendor Advisories for CVE-2026-86206 (1)

Vendor Pages for CVE-2026-86206 (1)

IV. Related Vulnerabilities

Same product: N-central
Same vendor: N-able
Same weakness: CWE-791

V. Comments for CVE-2026-86206

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