Command injection in emissary - CVE-2026-35581
Published: April 7, 2026
Vulnerability identifier: #VU125045
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-35581
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: National Security Agency
Affected software:
emissary
emissary
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary commands.
The vulnerability exists due to command injection in the Executrix utility class when processing configuration-derived PLACE_NAME values in shell commands. A remote privileged user can supply a specially crafted PLACE_NAME value to execute arbitrary commands.
Exploitation requires control over configuration values, such as through administrative access or a compromised configuration source.
How to mitigate CVE-2026-35581
Install security update from vendor's website.