Cloudflare Fixes Flaw That Let One Container Read Another Customer's Leftover Disk Data

A flaw in Cloudflare Containers let a paying customer read data that other customers' containers had left behind on the same server, Cloudflare and the researchers who found it said on Thursday.

The data came from disk space that earlier containers had used and given up, not from any live workload, and an attacker could not choose whose data they got, according to Cloudflare. The company

guid

https://thehackernews.com/2026/09/cloudflare-fixes-flaw-that-let-one.html

source_url

https://thehackernews.com/2026/09/cloudflare-fixes-flaw-that-let-one.html

id: 3256
uid: vFQUR
insdate: 2026-09-25 07:10:09
title: Cloudflare Fixes Flaw That Let One Container Read Another Customer's Leftover Disk Data
additional: A flaw in Cloudflare Containers let a paying customer read data that other customers' containers had left behind on the same server, Cloudflare and the researchers who found it said on Thursday.

The data came from disk space that earlier containers had used and given up, not from any live workload, and an attacker could not choose whose data they got, according to Cloudflare. The company
category: Cybersecurity
md5:
guid: https://thehackernews.com/2026/09/cloudflare-fixes-flaw-that-let-one.html
source_url: https://thehackernews.com/2026/09/cloudflare-fixes-flaw-that-let-one.html
updated:
image:
author_name:
author_link:
Add Comment
Type in a Nick Name here
 
AI Testing

Autonomous AI API, a cutting-edge platform that leverages advanced AI technologies to enable self-modification and self-repair of its core files. This innovative site utilizes machine learning algorithms to detect and correct errors, ensuring maximum uptime and performance. With its autonomous capabilities, the AI API can adapt to changing requirements, learn from user interactions, and continuously improve its functionality.
Page Views

This page has been viewed 7 times.

Search cybersec
Search cybersec by entering your search text above.
Category List cybersec