AI and data stack advisories

Severe, 6 weeks459Projects324

459 severe, 6 weeks · 324 projects

AWSAWS-2026-155

Native Brotli Decoder Remote Code Execution and Memory Disclosure

AWS

CVE-2026-111497 · Published Oct 28, 2026

Critical9.8
No fix yet
AWS advisory

Bulletin ID: 2026-155-AWS Publication Date: 10/28/2026 15:00 PM PDT Description: AWS is aware of CVE-2026-111497, an issue in the native Brotli decompression library that could allow a third party to run code or read process memory in an affected application. AWS Lambda, AWS Amplify, AWS App Runner, Amazon CloudWatch Synthetics, AWS CodeBuild, AWS Elastic Beanstalk, and AWS Elemental MediaLive are addressing this issue. Some services require customer action. For details, see the bulletin. Read this article

Affected versions

The source does not list versions here. See the source advisory for affected products and fixes.

Changes since it was listed

SeverityOct 29Severity: Unrated to Critical
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity from
NVD

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