Vulnerability-Lookup

GHSA-9X6X-W4XQ-RW3G

Vulnerability from github – Published: 2026-09-05 21:31 – Updated: 2026-09-05 21:31

Details

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

Severity

6.9 (Medium)


                  
                    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

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  "affected": [],
  "aliases": [
    "CVE-2026-86206"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-791"
    ],
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    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-05T20:17:18Z",
    "severity": "MODERATE"
  },
  "details": "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",
  "id": "GHSA-9x6x-w4xq-rw3g",
  "modified": "2026-09-05T21:31:20Z",
  "published": "2026-09-05T21:31:20Z",
  "references": [
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    },
    {
      "type": "WEB",
      "url": "https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm"
    },
    {
      "type": "WEB",
      "url": "https://me.n-able.com/s/security-advisory/aArVy0000002LTNKA2/cve202686206-access-control-filter-bypass-allows-unauthorised-access-to-apis"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-86206 (GCVE-0-2026-86206)

Vulnerability from cvelistv5 – Published: 2026-09-05 19:17 – Updated: 2026-09-08 10:35

Title

Access control filter bypass allows unauthorised access to APIs

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

Severity

6.9 (Medium)


                        
                          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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-08 10:29 UTC

CWE

CWE-791 - Incomplete filtering of special elements

Assigner

N-able mitre root

References

2 references

URL	Tags
https://documentation.n-able.com/N-central/Releas…	release-notes
https://me.n-able.com/s/security-advisory/aArVy00…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
N-able	N-central	Affected: 0 , < 2026.3.1.13 (custom)

Date Public

2026-09-05 19:16

Credits

Michael Tigges of Huntress Stephen Fewer, Senior Principal Researcher, Rapid7

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JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-9X6X-W4XQ-RW3G

CVE-2026-86206 (GCVE-0-2026-86206)

Tags

Sightings

Nomenclature