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Vulnerability record · CVE-2026-15895 · published 15 July 2026

CVE-2026-15895: OS command injection vulnerability

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.

8.4 CVSS 4.0 High EPSS 1.1% · top 36.3% CWE-78 · OS command injection Awaiting Analysis
8.4CVSS 4.0 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
15 Jul 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://aws.amazon.com/security/security-bulletins/2026-057-aws/
https://github.com/aws/jsii/releases/tag/v1.131.0

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Source: NIST National Vulnerability Database (record CVE-2026-15895), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.