CVE-2026-84941
Omada Controller XML External Entity (XXE) Injection in SAML IdP Metadata Parsing Leading to Arbitrary Local File Read
- Published
- Updated
- Reserved
- Assigned by
- TPLink
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.
Timeline
ID reserved
By TPLink
- 8 days later
· 8 days later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| TPLinkCNA (assigner) | 4.0 | Medium6.9 | 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 |
| NVDNVD · Deferred | 4.0 | Medium6.9 | 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/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 |
- EPSS (exploitation in 30 days)
- 0.47% · top 59% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Weakness
Affected products
TP-Link Systems Inc. · Omada Software Controller (Windows)
- affected < 6.2.14.11
TP-Link Systems Inc. · Omada Software Controller (Linux)
- affected < 6.2.14.11
TP-Link Systems Inc. · OC2000 v1
- affected < 1.41.11 Build 20260711
TP-Link Systems Inc. · OC2000 v2
- affected < 2.26.11 Build 20260711
TP-Link Systems Inc. · OC200 v3
- affected < 3.3.11 Build 20260711
TP-Link Systems Inc. · OC220 v1
- affected < 1.6.11 Build 20260711
TP-Link Systems Inc. · OC220 v2
- affected < 2.5.11 Build 20260711
TP-Link Systems Inc. · OC300 v1
- affected < 1.35.11 Build 20260711
TP-Link Systems Inc. · OC400 v1
- affected < 1.13.11 Build 20260711
References (5)
- https://support.omadanetworks.com/en/download/software/omada-controller (opens in a new tab)patch
- https://support.omadanetworks.com/us/download/software/omada-controller (opens in a new tab)patch
- https://www.omadanetworks.com/en/support/download/ (opens in a new tab)patch
- https://www.omadanetworks.com/us/support/download/ (opens in a new tab)patch
- https://support.omadanetworks.com/en/document/133722/ (opens in a new tab)vendor-advisory
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-84941)Record last updated .