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SCA: security update for gov.nsa.emissary:emissary (GHSA-hxf2-gm22-7vcm)

medium Tenable Self-Hosted Container Security Plugin ID 440006

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, the configuration API endpoint
 (/api/configuration/{name}) validated configuration names using a blacklist approach that checked for \,
 /, .., and trailing .. This could potentially be bypassed using URL-encoded variants, double-encoding, or
 Unicode normalization to achieve path traversal and read configuration files outside the intended
 directory. This vulnerability is fixed in 8.39.0. (CVE-2026-35583)

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-hxf2-gm22-7vcm

Plugin Details

Severity: Medium

ID: 440006

Version: Revision 1.7

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: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2026-35583

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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: 4/8/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-35583

cwe: CWE-22