Intel/AIKIDO-2025-10774
mailauth
AIKIDO-2025-10774
mailauth is vulnerable to Prototype Pollution
Prototype Pollution Pre-CVE Published Nov 6, 2025
Found by Aikido Intel before public disclosure or CVE publication.
42
Medium Risk
This Affects:
mailauth1.0.0 - 4.10.0
Fixed in 4.11.0Are you affected? Scan for Free
TL;DR
Affected versions of this package are vulnerable to prototype pollution in the headerParser() function. This vulnerability enables an attacker to inject malicious properties into object prototypes by crafting input that includes __proto__, potentially leading to security issues, including remote code execution or denial of service.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
mailauth is vulnerable to Prototype Pollution in versions 1.0.0 - 4.10.0.
How to fix this
Upgrade the mailauth library to the patch version.
Are You Affected?
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