What is CVE-2026-35582?

CVE-2026-35582 is a high-severity vulnerability in Nationalsecurityagency Emissary, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-04-18.

How severe is CVE-2026-35582?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Nationalsecurityagency Emissary

CVE-2026-35582

Emissary is a P2P based data-driven workflow engine. In versions 8.42.0 and below, Executrix.getCommand() is vulnerable to OS command injection because it interpolates temporary file paths into a /bin/sh -c shell command string without an…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (22.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Nationalsecurityagency Emissary — versions < 8.43.0

Weakness classification (CWE)

References

https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-3p24-9x7v-7789 (x_refsource_CONFIRM)
https://github.com/NationalSecurityAgency/emissary/commit/1faf33f2494c0128f250d7d2e8f2da99bbd32ae8 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-35582?: CVE-2026-35582 is a high-severity vulnerability in Nationalsecurityagency Emissary, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-04-18.
How severe is CVE-2026-35582?: High severity. CVSS v3 base score is 8.8 out of 10.