#VU125046 Path traversal in emissary - CVE-2026-35583

 

#VU125046 Path traversal in emissary - CVE-2026-35583

Published: April 7, 2026


Vulnerability identifier: #VU125046
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-35583
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
emissary
Software vendor:
National Security Agency

Description

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to path traversal in the configuration API endpoint /api/configuration/{name} when processing crafted configuration names. A remote attacker can send a specially crafted request to disclose sensitive information.

The issue can be triggered by using URL-encoded variants, double-encoded sequences, or Unicode normalization to access configuration files outside the intended directory.


Remediation

Install security update from vendor's website.

External links