AIKIDO-2026-10275
modern-tar is vulnerable to Prototype Pollution
30
Low Risk
This Affects:
modern-tarTL;DR
Affected versions of this package are vulnerable to prototype pollution during tar header parsing. Crafted archive metadata can inject unexpected properties onto internal objects, potentially corrupting application state. While the impact is limited, exploitation may result in a denial-of-service condition by triggering runtime errors such as TypeError: mapping is not iterable, causing the process to crash.
Who does this affect?
You are affected if you are using a version which is within vulnerability ranges.
Background info
modern-tar is vulnerable to Prototype Pollution in versions 0.4.0 - 0.7.3.
How to fix this
Upgrade the modern-tar library to the patch version.
Are You Affected?
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SOC 2Compliant
ISO 27001Compliant