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SCA: security update for gov.nsa.emissary:emissary (GHSA-cpm7-cfpx-3hvp)

medium Tenable Cloud Security Plugin ID 440017

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates
 interpolated configuration-controlled link values directly into href attributes without URL scheme
 validation. An administrator who could modify the navItems configuration could inject javascript: URIs,
 enabling stored cross-site scripting (XSS) against other authenticated users viewing the Emissary web
 interface. This vulnerability is fixed in 8.39.0. (CVE-2026-35571)

Solution

Update the gov.nsa.emissary:emissary library and its related packages to version 8.39.0 or later.

See Also

https://github.com/advisories/GHSA-cpm7-cfpx-3hvp

Plugin Details

Severity: Medium

ID: 440017

Version: Revision 1.10

Type: Local

Family: SCA Checks

Published: 4/8/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:P/A:N

CVSS Score Source: CVE-2026-35571

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-35571

cwe: CWE-79