SB2026041731 - Link following in Cisco ThousandEyes Enterprise Agent



SB2026041731 - Link following in Cisco ThousandEyes Enterprise Agent

Published: April 17, 2026

Security Bulletin ID SB2026041731
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Link following (CVE-ID: CVE-2026-20161)

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to an insecure link following issue in the CLI. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.


Remediation

Install update from vendor's website.