CVE-2026-85656

High

Description

An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters.

SeverityHigh

CVSS7.8

Exploit probability65. percentile1.1%

ProductAmazon Log4j-cve-2021-44228-hotpatch

PublishedSep 4, 2026

First seenSep 4, 2026

Weakness typeCWE-78OS command injection

How to fix

Update

Amazon log4j-cve-2021-44228-hotpatch1.3-9.amzn2 or later

Patches

alas.aws.amazon.com/AL2/ALAS2-2026-3784.html

Vendor advisories

aws.amazon.com/security/security-bulletins/2026-098-aws/

Affected products

Product	Affected versions	Fixed in
Amazon log4j-cve-2021-44228-hotpatch	v < 1.3-9.amzn2	1.3-9.amzn2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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