6.9
MEDIUM CVSS 4.0
CVE-2026-84941
Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read
Description

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.

INFO

Published Date :

Sept. 11, 2026, 12:19 a.m.

Last Modified :

Sept. 11, 2026, 12:19 a.m.

Remotely Exploit :

Yes !

Source :

f23511db-6c3e-4e32-a477-6aa17d310630
Affected Products

The following products are affected by CVE-2026-84941 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link omada_software_controller
2 Tp-link oc200
3 Tp-link oc220
4 Tp-link oc300
5 Tp-link oc400
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM f23511db-6c3e-4e32-a477-6aa17d310630
CVSS 4.0 MEDIUM f23511db-6c3e-4e32-a477-6aa17d310630
Solution
Validate SAML metadata to prevent unauthorized information disclosure.
  • Validate user-supplied SAML metadata thoroughly.
  • Restrict SAML configuration privileges.
  • Apply vendor patches when available.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-84941 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-84941 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-84941 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-84941 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by f23511db-6c3e-4e32-a477-6aa17d310630

    Sep. 11, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/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
    Added CWE CWE-611
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/84xxx/CVE-2026-84941.json">CVE-2026-84941</a>
    Added Reference https://support.omadanetworks.com/en/document/133722/
    Added Reference https://support.omadanetworks.com/en/download/software/omada-controller
    Added Reference https://support.omadanetworks.com/us/download/software/omada-controller
    Added Reference https://www.omadanetworks.com/en/support/download/
    Added Reference https://www.omadanetworks.com/us/support/download/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.