Is CVE-2026-20191 in the CISA KEV catalog?

No. CVE-2026-20191 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-20191?

CVE-2026-20191 has a CVSS v3 base score of 7.5 (HIGH).

How do I fix or mitigate CVE-2026-20191?

No published fix for CVE-2026-20191 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-20191

HIGH

7.5

CVSS v3

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.

CWE-22Path Traversal

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

EPSS data unavailable for this CVE.

References

Other references1

sec.cloudapps.cisco.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-01.