CVE-2026-104020 - Uncontrolled recursion in the Ion reader in Amazon Ion Python

Ion Python ยท 2026-10-01

Actions

Rate this issue

Technical Details

Affected Versions < 0.15.0
Regions all
CVE IDs CVE-2026-104020
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update Amazon Ion Python to version 0.15.0 and ensure any forked or derivative code is patched to address CVE-2026-104020, preventing potential application crashes and denial of service.

For Platform Teams

Adopt the latest version of Amazon Ion Python to incorporate security fixes and maintain application stability, reducing the risk of service disruptions due to uncontrolled recursion.

For Executives

Implement the upgrade to Amazon Ion Python version 0.15.0 to mitigate the risk of denial of service attacks due to uncontrolled recursion in the Ion reader, ensuring application stability and security.

Source

View original AWS announcement โ†’

Weekly AWS Digest in Your Inbox

No spam, no headlines. Just a weekly summary of the 3โ€“7 AWS changes that matter for DevOps and Platform teams.

๐Ÿ“ง Exactly 1 email per week โ€ข Every Tuesday โ€ข Unsubscribe anytime

Today: AWS only. Coming next: Azure and other major clouds.