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Vulnerability record · CVE-2026-20191 · published 1 July 2026

CVE-2026-20191: Cisco catalyst center path traversal vulnerability

Cisco · Catalyst Center

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.

7.5 CVSS 3.1 High EPSS 0.65% · top 51.0% CWE-22 · Path traversal
7.5CVSS 3.1 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
1References
17 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2025-20349Cisco catalyst center os command injection vulnerabilityA vulnerability in the REST API of Cisco Catalyst Center could allow an authenticated, remote attacker to execute arbitrary commands in a restricted …EPSS 0.36%8.8CVE-2023-20182Cisco catalyst center improper authorization vulnerabilityMultiple vulnerabilities in the API of Cisco DNA Center Software could allow an authenticated, remote attacker to read information from a restricted …EPSS 0.62%8.8CVE-2023-20055Cisco catalyst center information exposure vulnerabilityA vulnerability in the management API of Cisco DNA Center could allow an authenticated, remote attacker to elevate privileges in the context of the w…EPSS 0.75%8.8CVE-2021-1303Cisco catalyst center vulnerabilityA vulnerability in the user management roles of Cisco DNA Center could allow an authenticated, remote attacker to execute unauthorized commands on an…EPSS 1.4%8.8CVE-2021-1264Cisco catalyst center os command injection vulnerabilityA vulnerability in the Command Runner tool of Cisco DNA Center could allow an authenticated, remote attacker to perform a command injection attack. T…EPSS 3.7%8.8CVE-2021-1257Cisco catalyst center cross-site request forgery vulnerabilityA vulnerability in the web-based management interface of Cisco DNA Center Software could allow an unauthenticated, remote attacker to conduct a cross…EPSS 0.84%8.1CVE-2024-20350Cisco catalyst center vulnerabilityA vulnerability in the SSH server of Cisco Catalyst Center, formerly Cisco DNA Center, could allow an unauthenticated, remote attacker to impersonate…EPSS 0.42%8.1CVE-2019-1841Cisco catalyst center improper input validation vulnerabilityA vulnerability in the Software Image Management feature of Cisco DNA Center could allow an authenticated, remote attacker to access to internal serv…EPSS 2.6%

Source: NIST National Vulnerability Database (record CVE-2026-20191), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.