CVE-2026-15895: OS command injection in the npm package loading component in AWS jsii-diff before 1.131.0 might allow context-

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HIGH 7.8WATCHLIST

CVE-2026-15895 is a high-severity flaw (CVSS 7.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-07-15
Last modified	2026-10-24

Publisher (CNA): AMZN

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-07-15 19:16 UTCPublished CVE record published
2026-10-24 21:10 UTCUpdated Record last modified

Exact fixes by distribution

npm · jsii-diff · FIXED · 1.131.0 · vulnerable: < 1.131.0 · source

npm install jsii-diff@">=1.131.0" npm ls jsii-diff

Fedora 46 · perl-Alien-Brotli · FIXED · 0.2.2-16.fc46 · FEDORA-2026-a2abe3db79 · source

sudo dnf upgrade --advisory=FEDORA-2026-a2abe3db79

Fedora ELN · mariadb-connector-odbc · FIXED · 3.2.10-1.eln159 · FEDORA-2026-b481dcd597 · source

sudo dnf upgrade --advisory=FEDORA-2026-b481dcd597

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-15895?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-15895 being exploited?

CVE-2026-15895 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-15895 affect?

CVE-2026-15895 affects affected software. Severity is high (CVSS 7.8). 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 mitigat

How urgent is CVE-2026-15895?

Priority 49/100. High severity; On your watchlist

Software pages

npm packages vulnerabilities · AWS vulnerabilities

References

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