CVE-2026-15895 | OS command injection in the npm package loading component in… | CVSS 7.8 HIGH

Description

OS command injection in the npm package loading component in AWS jsii-diff before 1.131.0 might allow context-dependent attackers to execute arbitrary commands via crafted package specifiers passed to the npm: source argument. To mitigate this issue, users should upgrade to jsii-diff v1.131.0 or later.

Metadata

CVE ID: CVE-2026-15895
State: PUBLISHED
Assigner: AMZN
Reserved: 2026-07-15 17:56 UTC
Published: 2026-07-15 19:05 UTC
Last updated: 2026-07-15 19:21 UTC
Primary CWE: CWE-78
CWE-78 Improper neutralization of special elements used in a…
Vendor / Product: AWS / jsii
Sources: cve.org · NVD

Severity & Metrics

7.8 HIGH CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
AWS	jsii	—	0 < 1.131.0

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 (2)

Score	Severity	Version	Source	Vector
8.4	HIGH	4.0	cna	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8	HIGH	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References (2)