CVE-2026-20191 Cisco Catalyst Center Arbitrary File Read Vulnerability

What is CVE-2026-20191?

CVE-2026-20191 is a high-severity path traversal vulnerability in Cisco Catalyst Center, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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

Which versions are affected by CVE-2026-20191?

It affects 2 products.

Products include Cisco Catalyst Center, Cisco Catalyst Center Global Manager.

How do I fix CVE-2026-20191?

No fix has been published for CVE-2026-20191 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-20191 being exploited?

There is no known exploitation of CVE-2026-20191 in the wild and no public exploit code.

Other vulnerabilities in Cisco Catalyst Center

• CVE-2021-1264 Cisco DNA Center Command Runner Command Injection Vulnerability Critical 9.6
• CVE-2023-20055 Cisco DNA Center Privilege Escalation Vulnerability High 8.0
• CVE-2021-1265 Cisco DNA Center Information Disclosure Vulnerability High 7.7
• CVE-2024-20350 Cisco Catalyst Center Static SSH Host Key Vulnerability High 7.5
• CVE-2020-3411 Cisco DNA Center Information Disclosure Vulnerability High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-46p9-p299-pr9p.