Access control filter bypass allows unauthorised access to APIs
Priority LOW 39CWE-791Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01118 66th percentileScored 2026-11-07
Fix Fixed N-central (N-able): 2026.3.1.13
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA N-central (N-able) Fixed in 2026.3.1.13
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
N-able N-central 2026.3.1.13
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-58996 Authentication bypass leads to unauthorised access to N-centralPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86206
- 2026-10-03 Alias added: GHSA-9x6x-w4xq-rw3g
References
More N-able vulnerabilities
- TI-2026-59007 pre-authentication remote code execution KEVCVSS 4.0CRITICAL 10.0
- TI-2025-08126 Command injection in N-able N-central KEVCVSS 4.0CRITICAL 9.4
- TI-2025-08125 Insecure deserialization in N-able N-central KEVCVSS 4.0CRITICAL 9.4
- TI-2026-15225 Incomplete patch leads to administrative account takeover KEVCVSS 4.0HIGH 8.2
- TI-2026-15214 Unauthenticated administrative account takeover KEVCVSS 4.0HIGH 8.2
- TI-2025-10725 N-central Multiple XXE Injection Vulnerabilities CVSS 4.0HIGH 8.4
Sources
- CVE-2026-86206 · CVE Program
- CVE-2026-86206 · NVD
- FIRST EPSS
- GHSA-9x6x-w4xq-rw3g · GitHub Advisory Database · CC BY 4.0
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