Vulnerability · Published Sep 4, 2026 · Assigned by AMZN

CVE-2026-85656OS command injection in Amazon log4j-cve-2021-44228-hotpatch

High 7.8

In plain English

A high-severity OS command injection in log4j-cve-2021-44228-hotpatch from Amazon. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.1%top 34.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Amazon log4j-cve-2021-44228-hotpatch 0 – before 1.3-9.amzn2

Weakness: CWE-78 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References