Vulnerability-Lookup

GHSA-2PV5-9Q5X-X59W

Vulnerability from github – Published: 2026-09-08 18:31 – Updated: 2026-09-08 18:31

Details

Successful exploitation may allow an attacker to remote query the affected endpoint that may facilitate user enumeration and subsequent attacks targeting administrative accounts.

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-2026-81531"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-08T17:18:32Z",
    "severity": "MODERATE"
  },
  "details": "An information\ndisclosure vulnerability has been identified in Omada Controller.\u00a0 An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users.\u00a0\n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts.",
  "id": "GHSA-2pv5-9q5x-x59w",
  "modified": "2026-09-08T18:31:56Z",
  "published": "2026-09-08T18:31:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-81531"
    },
    {
      "type": "WEB",
      "url": "https://support.omadanetworks.com/en/download/software/omada-controller"
    },
    {
      "type": "WEB",
      "url": "https://support.omadanetworks.com/us/document/133567"
    },
    {
      "type": "WEB",
      "url": "https://support.omadanetworks.com/us/download/software/omada-controller"
    }
  ],
  "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-2026-81531 (GCVE-0-2026-81531)

Vulnerability from cvelistv5 – Published: 2026-09-08 16:53 – Updated: 2026-09-08 17:21

Title

Unauthenticated Account Information Disclosure in Multiple Omada Controllers

Summary

An information disclosure vulnerability has been identified in Omada Controller. An API endpoint intended for Controller initialization remains accessible after completion and may disclose account-related information to unauthenticated remote users. Successful exploitation may allow an attacker to remote query the affected endpoint that may facilitate user enumeration and subsequent attacks targeting administrative accounts.

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 17:21 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

TPLink mitre root

References

3 references

URL	Tags
https://support.omadanetworks.com/us/download/sof…	patch
https://support.omadanetworks.com/us/document/133567/	vendor-advisory
https://support.omadanetworks.com/en/download/sof…	patch

Impacted products

8 products

Vendor	Product	Version
TP-Link System Inc.	Omada Software Controller	Affected: 0 , < 6.3.0.44 (custom)
TP-Link Systems Inc.	OC200 V1	Affected: 0 , < (UN)_V1_1.42.10 Build 20260825 (custom)
TP Link Systems Inc.	OC200 v2	Affected: 0 , < (UN)_V2_2.27.10 Build 20260825 (custom)
TP-Link Systems Inc	OC200 v3	Affected: 0 , < (UN)_V3_3.4.10 Build 20260825 (custom)
TP-Link Systems Inc.	OC220 v1	Affected: 0 , < (UN)_V1_1.7.10 Build 20260825 (custom)
TP-Link Systems Inc	OC220 v2	Affected: 0 , < (UN)_V2_2.6.10 Build 20260825 (custom)
TP-Link Systems Inc.	OC300 v1	Affected: 0 , < (UN)_V1_1.36.10 Build 20260825 (custom)
TP-Link Systems Inc.	OC400 v1	Affected: 0 , < (UN)_V1_1.14.10 Build 20260825 (custom)

Credits

Joshua Chan, GitHub: https://github.com/popcorn94, Twitter: popc0rn94

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JSON

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                "id": "CVE-2026-81531",
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-08T17:21:39.911958Z",
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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-2PV5-9Q5X-X59W

CVE-2026-81531 (GCVE-0-2026-81531)

Tags

Sightings

Nomenclature