Intel

AIKIDO-2026-10646

mcp-memory-service is vulnerable to Cross-site Scripting (XSS)

Cross-site Scripting (XSS) Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published Apr 29, 2026

50

Medium Risk

This Affects:

pythonmcp-memory-service
8.24.0 - 10.39.1
Fixed in 10.40.0
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TL;DR

Affected versions of this package render the OAuth redirect URL into HTML and JavaScript without escaping or scheme filtering. A registered redirect URI containing crafted HTML or a script-capable scheme can break out of the response and run code in the user's browser.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

mcp-memory-service is vulnerable to Cross-site Scripting (XSS) in versions 8.24.0 - 10.39.1.

How to fix this

Upgrade the mcp-memory-service library to the patch version.

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