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TI-2026-58769 Aliases CVE-2026-85656GHSA-4p2r-rwww-hrf2

OS command injection in Amazon log4j-cve-2021-44228-hotpatch

Priority MEDIUM 41CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01081 65th percentileScored 2026-11-07
Fix Fixed log4j-cve-2021-44228-hotpatch (Amazon): 1.3-9.amzn2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AWSlog4j-cve-2021-44228-hotpatchbefore 1.3-9.amzn21.3-9.amzn2Patch availableCNA
  • log4j-cve-2021-44228-hotpatch VendorAWS Affected before 1.3-9.amzn2 Fixed in 1.3-9.amzn2 Patch available CNA

Remediation

  • Fix · CNA log4j-cve-2021-44228-hotpatch (Amazon) Fixed in 1.3-9.amzn2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-85656
  2. 2026-10-03 Alias added: GHSA-4p2r-rwww-hrf2

References

  • TI-2026-23989 crypto: algif_aead - Revert to operating out-of-place KEVCVSS 3.1HIGH 7.8
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2024-18648 Amazon AWS Amplify CLI before 12.10.1 incorrectly configures the role trust policy of IAM… CVSS 3.1CRITICAL 9.8
  • TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
  • TI-2025-03847 Input validation issue in AWS Amplify Studio UI component properties CVSS 4.0CRITICAL 9.0
  • TI-2026-11603 HTTP/2 Stream Parser Confusion Body-Inspection Bypass in Amazon CloudFront with AWS WAF CVSS 4.0HIGH 7.9
See all 383 →

Sources