#VU125043 Cross-site scripting in emissary - CVE-2026-35571

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Main Vulnerability Database Vulnerabilities #VU125043

#VU125043 Cross-site scripting in emissary - CVE-2026-35571

Published: April 7, 2026


Vulnerability identifier: #VU125043
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-35571
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
emissary
Software vendor:
National Security Agency

Description

The vulnerability allows a remote user to perform cross-site scripting.

The vulnerability exists due to improper input validation in the nav.mustache navigation template when rendering configuration-controlled link values into href attributes. A remote privileged user can inject a javascript: URI into a navigation item link to perform cross-site scripting.

User interaction is required, as a victim must click the malicious navigation link in the web interface.


Remediation

Install security update from vendor's website.

External links