CVE-2026-84941 Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read
Authenticated users with SAML privileges can read arbitrary local files via XXE in Omada Controller SAML metadata parsing.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84941?
CVE-2026-84941 is a medium-severity vulnerability in TP-Link Systems Inc. OC200 v3, published on 10 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-611
Which versions are affected by CVE-2026-84941?
How do I fix CVE-2026-84941?
No fix has been published for CVE-2026-84941 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-84941 being exploited?
There is no known exploitation of CVE-2026-84941 in the wild and no public exploit code.
Sources
Also known as GHSA-8qr5-rrw5-mq36.