CVE-2026-55849 | @cyclonedx/cyclonedx-npm creates CycloneDX Software Bill of … | CVSS 8.5 HIGH

Description

@cyclonedx/cyclonedx-npm creates CycloneDX Software Bill of Materials from npm projects. From 2.1.0 before 5.0.0, the CLI passes user-supplied --workspace values to a subshell without proper sanitization when npm_execpath is unset or empty, allowing arbitrary OS command execution with the privileges of the invoking user. This issue is fixed in version 5.0.0.

Metadata

CVE ID: CVE-2026-55849
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-06-17 16:44 UTC
Published: 2026-07-08 21:10 UTC
Last updated: 2026-07-09 19:36 UTC
Primary CWE: CWE-78
CWE-78: Improper Neutralization of Special Elements used in …
Vendor / Product: CycloneDX / cyclonedx-node-npm
Sources: cve.org · NVD

Severity & Metrics

8.5 HIGH CVSS 4.0

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
CycloneDX	cyclonedx-node-npm	—	>= 2.1.0, < 5.0.0

Weakness (CWE)

CWE	Source	Description
CWE-78	cna	CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
8.5	HIGH	4.0	cna	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References (4)

https://github.com/CycloneDX/cyclonedx-node-npm/security/advisories/GHSA-v75r-vx73-82pj https://github.com/CycloneDX/cyclonedx-node-npm/security/advisories/GHSA-v75r-vx73-82pj
https://github.com/CycloneDX/cyclonedx-node-npm/pull/1476 https://github.com/CycloneDX/cyclonedx-node-npm/pull/1476
https://github.com/CycloneDX/cyclonedx-node-npm/commit/9f646253f4263d8644dadb86e5597fad996f688f https://github.com/CycloneDX/cyclonedx-node-npm/commit/9f646253f4263d8644dadb86e5597fad996f688f
https://github.com/CycloneDX/cyclonedx-node-npm/releases/tag/v5.0.0 https://github.com/CycloneDX/cyclonedx-node-npm/releases/tag/v5.0.0