#VU125044 Command injection in emissary - CVE-2026-35580

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Main Vulnerability Database Vulnerabilities #VU125044

#VU125044 Command injection in emissary - CVE-2026-35580

Published: April 7, 2026


Vulnerability identifier: #VU125044
Vulnerability risk: Low
CVSSv4.0: 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-2026-35580
CWE-ID: CWE-77
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 execute arbitrary code and compromise the software supply chain.

The vulnerability exists due to command injection in GitHub Actions workflow files when processing user-controlled workflow_dispatch inputs in run blocks. A remote privileged user can supply crafted workflow inputs to execute arbitrary code and compromise the software supply chain.

Exploitation occurs within the CI/CD runner and may allow access to the job's GITHUB_TOKEN permissions and secrets from the GitHub Actions environment.


Remediation

Install security update from vendor's website.

External links