Cisco Catalyst Center Arbitrary File Read Vulnerability (CVE-2026-20191)
CVE number – CVE-2026-20191
A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container.
This vulnerability is due to insufficient validation of user-supplied input.
An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device.
A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device.
Cisco has released software updates that address this vulnerability.
There are no workarounds that address this vulnerability.
Catalyst Center Hardware Appliances, Catalyst Center Virtual Appliances on AWS, and Catalyst Center Virtual Appliances on Azure
| Cisco Catalyst Center Release | First Fixed Release |
|---|---|
| Earlier than 3.1 | Not vulnerable |
| 3.1 | 3.1.6 GSMU200 |
Catalyst Center Virtual Appliances on VMware ESXi
| Cisco Catalyst Center Release | First Fixed Release |
|---|---|
| 2.3.7 | 2.3.7.11-VA GSMU100 |
| 3.1 | 3.1.6 GSMU200 |
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X
I am one of the editors here at www.systemtek.co.uk I am a UK based technology professional, with an interest in computer security and telecoms.