High severity · published Sep 4, 2026
CVE-2026-85656
OS command injection in Amazon log4j-cve-2021-44228-hotpatch
7.8
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
log4j-cve-2021-44228-hotpatch · Amazon
before 1.3-9.amzn2 · source: vendor