CVE-2026-84941
Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 10, 2026
- Updated
- Sep 11, 2026
- Reserved
- Sep 2, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | TPLink |
Weaknesses
- CWE-611 Improper restriction of XML external entity reference
Affected Products
| Product | Versions |
|---|---|
Omada Software Controller (Windows)TP-Link Systems Inc. |
|
Omada Software Controller (Linux)TP-Link Systems Inc. |
|
OC2000 v1TP-Link Systems Inc. |
|
OC2000 v2TP-Link Systems Inc. |
|
OC200 v3TP-Link Systems Inc. |
|
OC220 v1TP-Link Systems Inc. |
|
OC220 v2TP-Link Systems Inc. |
|
OC300 v1TP-Link Systems Inc. |
|
OC400 v1TP-Link Systems Inc. |
|
References
- https://support.omadanetworks.com/en/download/software/omada-controllerpatch
- https://support.omadanetworks.com/us/download/software/omada-controllerpatch
- https://www.omadanetworks.com/en/support/download/patch
- https://www.omadanetworks.com/us/support/download/patch
- https://support.omadanetworks.com/en/document/133722/vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.