SB2026050817 - Reflected XSS in Junos Space
Published: May 8, 2026
Security Bulletin ID
SB2026050817
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Cross-site scripting (CVE-ID: CVE-2026-21904)
The vulnerability allows a remote attacker to execute commands with the target user's permissions.
The vulnerability exists due to cross-site scripting in the ilpFilter field on nLegacy.jsp when handling user-supplied input in the list filter field. A remote attacker can inject script tags to execute commands with the target user's permissions.
Remediation
Install update from vendor's website.