CVE-2026-20191
Cisco Catalyst Center Arbitrary File Read Vulnerability
Description
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.
Weakness: CWE-22
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Catalyst Center (DNA Center) | Network & Security Management | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Catalyst Center
Vendor advisory
cisco-sa-catc-file-read-wLH2vf8X
Cisco Catalyst Center Arbitrary File Read Vulnerability
Cisco’s rating: High (advisory CVSS 7.5) · Published Jul 1, 2026 · updated Jul 6, 2026 (revision 1.1)
Bug ID: CSCwt73509
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from