High 7.8Published Jul 15, 2026

CVE-2026-15895OS command injection in jsii-diff in AWS jsii

Updated under an hour ago (Oct 26, 2026, 5:50 PM ET)

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It affects AWS jsii. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for AWS jsii

Exploited in the last 30 days

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: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-78
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: AMZN
NVD analysis: Awaiting Analysis
Record last updated: Jul 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AWS jsii aws:jsii (from the name)	before 1.131.0	CNA record

References

References

https://github.com/aws/jsii/releases/tag/v1.131.0	release-notes, patch
https://aws.amazon.com/security/security-bulletins/2026-057-aws/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.