Unauth. Remote File Read in Cisco Catalyst Center
CVE-2026-20191 Published on July 1, 2026
Cisco Catalyst Center Arbitrary File Read Vulnerability
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.
Vulnerability Analysis
CVE-2026-20191 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-20191 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-20191
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Affected Versions
Cisco Catalyst Center:- Version 2.3.7.0-VA is affected.
- Version 2.3.7.5-VA is affected.
- Version 2.3.7.6-VA is affected.
- Version 2.3.7.7-VA is affected.
- Version 2.3.7.9-VA is affected.
- Version 3.1.3 is affected.
- Version 3.1.3-VA is affected.
- Version 2.3.7.10-VA is affected.
- Version 3.1.5 is affected.
- Version 3.1.5-VA is affected.
- Version 3.1.5-VA on AWS is affected.
- Version 3.1.5-RevUp is affected.
- Version 3.1.6 is affected.
- Version 3.1.6-VA is affected.
- Version 3.1.6-BETA is affected.
- Version 3.1.6-GSMU100 is affected.
- Version 3.1.6-VA-GSMU100 is affected.