CVE-2025-8217 Inert Malicious script injected into Amazon Q Developer Visual Studio Code (VS Code) Extension

Medium 5.1 Published Updated

Attackers could inject malicious code into the Amazon Q Developer VS Code extension, though execution was blocked by a syntax error.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-8217?

CVE-2025-8217 is a medium-severity code injection vulnerability in Amazon Q Developer VS Code Extension, published on 30 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Amazon Q Developer Visual Studio Code (VS Code) extension v1.84.0 contains inert, injected code designed to call the Q Developer CLI. The code executes when the extension is launched within the VS Code environment; however the injected code contains a syntax error which prevents it from making a successful API call to the Q Developer CLI.

To mitigate this issue, users should upgrade to version v1.85.0. All installations of v1.84.0 should be removed from use.

Weakness: CWE-506

Which versions are affected by CVE-2025-8217?

How do I fix CVE-2025-8217?

No fix has been published for CVE-2025-8217 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2025-8217 being exploited?

There is no known exploitation of CVE-2025-8217 in the wild and no public exploit code.

Sources

Also known as GHSA-7g7f-ff96-5gcw.

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