CVE-2026-84941 (GCVE-0-2026-84941)
Vulnerability from cvelistv5 – Published: 2026-09-10 23:35 – Updated: 2026-09-10 23:35
VLAI
EPSS
VEX
Title
Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read
Summary
An information disclosure vulnerability in the SAML Single Sign-On (SSO) functionality of Omada Controller allows an authenticated user with SAML configuration privileges to access sensitive information due to insufficient validation of user-supplied SAML metadata. Successful exploitation could result in unauthorized disclosure of sensitive information.
Severity
CWE
- CWE-611 - Improper restriction of XML external entity reference
Assigner
References
5 references
Impacted products
9 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| TP-Link Systems Inc. | Omada Software Controller (Windows) |
Affected:
0 , < 6.2.14.11
(custom)
|
guessed | |
| TP-Link Systems Inc. | Omada Software Controller (Linux) |
Affected:
0 , < 6.2.14.11
(custom)
|
guessed | |
| TP-Link Systems Inc. | OC2000 v1 |
Affected:
0 , < 1.41.11 Build 20260711
(custom)
|
guessed | |
| TP-Link Systems Inc. | OC2000 v2 |
Affected:
0 , < 2.26.11 Build 20260711
(custom)
|
guessed | |
| TP-Link Systems Inc. | OC200 v3 |
Affected:
0 , < 3.3.11 Build 20260711
(custom)
|
guessed | |
| TP-Link Systems Inc. | OC220 v1 |
Affected:
0 , < 1.6.11 Build 20260711
(custom)
|
guessed | |
| TP-Link Systems Inc. | OC220 v2 |
Affected:
0 , < 2.5.11 Build 20260711
(custom)
|
guessed | |
| TP-Link Systems Inc. | OC300 v1 |
Affected:
0 , < 1.35.11 Build 20260711
(custom)
|
guessed | |
| TP-Link Systems Inc. | OC400 v1 |
Affected:
0 , < 1.13.11 Build 20260711
(custom)
|
guessed |
{
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],
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"vendor": "TP-Link Systems Inc.",
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"status": "affected",
"version": "0",
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}
]
},
{
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"platforms": [
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],
"product": "Omada Software Controller (Linux)",
"vendor": "TP-Link Systems Inc.",
"versions": [
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"status": "affected",
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},
{
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],
"product": "OC2000 v1",
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"versions": [
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"status": "affected",
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]
},
{
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"platforms": [
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],
"product": "OC2000 v2",
"vendor": "TP-Link Systems Inc.",
"versions": [
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"status": "affected",
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},
{
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],
"product": "OC200 v3",
"vendor": "TP-Link Systems Inc.",
"versions": [
{
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"status": "affected",
"version": "0",
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},
{
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],
"product": "OC220 v1",
"vendor": "TP-Link Systems Inc.",
"versions": [
{
"lessThan": "1.6.11 Build 20260711",
"status": "affected",
"version": "0",
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}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Omada Controller"
],
"product": "OC220 v2",
"vendor": "TP-Link Systems Inc.",
"versions": [
{
"lessThan": "2.5.11 Build 20260711",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
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"platforms": [
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],
"product": "OC300 v1",
"vendor": "TP-Link Systems Inc.",
"versions": [
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"status": "affected",
"version": "0",
"versionType": "custom"
}
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},
{
"defaultStatus": "unaffected",
"platforms": [
"Omada Controller"
],
"product": "OC400 v1",
"vendor": "TP-Link Systems Inc.",
"versions": [
{
"lessThan": "1.13.11 Build 20260711",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "erikdejong"
},
{
"lang": "en",
"type": "finder",
"value": "mattgsys"
},
{
"lang": "en",
"type": "finder",
"value": "eslam moneer (tohtmosiii)"
}
],
"descriptions": [
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"value": "\u003cdiv\u003eAn information disclosure vulnerability in the SAML Single Sign-On (SSO) functionality of Omada Controller allows an authenticated user with SAML configuration privileges to access sensitive information due to insufficient validation of user-supplied SAML metadata. Successful exploitation could result in unauthorized disclosure of sensitive information.\u003c/div\u003e"
}
],
"value": "An information disclosure vulnerability in the SAML Single Sign-On (SSO) functionality of Omada Controller allows an authenticated user with SAML configuration privileges to access sensitive information due to insufficient validation of user-supplied SAML metadata. Successful exploitation could result in unauthorized disclosure of sensitive information."
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],
"impacts": [
{
"capecId": "CAPEC-221",
"descriptions": [
{
"lang": "en",
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}
]
}
],
"metrics": [
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"cvssV4_0": {
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "HIGH",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-611",
"description": "CWE-611 Improper restriction of XML external entity reference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-10T23:35:53.023Z",
"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
"shortName": "TPLink"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://support.omadanetworks.com/en/download/software/omada-controller"
},
{
"tags": [
"patch"
],
"url": "https://support.omadanetworks.com/us/download/software/omada-controller"
},
{
"tags": [
"patch"
],
"url": "https://www.omadanetworks.com/en/support/download/"
},
{
"tags": [
"patch"
],
"url": "https://www.omadanetworks.com/us/support/download/"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://support.omadanetworks.com/en/document/133722/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read",
"x_generator": {
"engine": "Vulnogram 1.0.5"
}
}
},
"cveMetadata": {
"assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
"assignerShortName": "TPLink",
"cveId": "CVE-2026-84941",
"datePublished": "2026-09-10T23:35:53.023Z",
"dateReserved": "2026-09-02T16:45:11.015Z",
"dateUpdated": "2026-09-10T23:35:53.023Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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