Which versions of gemini-cli-vscode-ide-companion are malicious?

The following npm versions of gemini-cli-vscode-ide-companion are flagged malicious: 99.99.9. Treat any of these as compromised.

How do I remediate gemini-cli-vscode-ide-companion if I installed it?

Remove gemini-cli-vscode-ide-companion from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

I already installed gemini-cli-vscode-ide-companion — how do I know if it already compromised me?

If gemini-cli-vscode-ide-companion was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Is gemini-cli-vscode-ide-companion part of a known attack campaign?

Yes — gemini-cli-vscode-ide-companion is associated with the RLMA-2026-01953 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find gemini-cli-vscode-ide-companion across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for gemini-cli-vscode-ide-companion (version 99.99.9).

Malicious package

gemini-cli-vscode-ide-companionnpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

gemini-cli-vscode-ide-companion is a confirmed malicious npm package (MAL-2026-2764) that executes malicious code on install (malicious version 99.99.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in gemini-cli-vscode-ide-companion (npm)

MAL-2026-2764

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall gemini-cli-vscode-ide-companion

What this malware does

The package gemini-cli-vscode-ide-companion was found to contain malicious code.

Malicious versions

1 flagged

99.99.9

Indicators of compromise (SHA-256)

0b0990ce5fe3106f925eb5001675cc8850a66cac7c88a9f9de164fa58f5c8b84

6a98d87fa5f23a47c4b1ea2c0cecb3e88518985493c1b7f125299ecf8ee6dba1

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for gemini-cli-vscode-ide-companion (version 99.99.9).
If you installed it — respond
Remove gemini-cli-vscode-ide-companion from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.
Did it already run?
If gemini-cli-vscode-ide-companion was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. gemini-cli-vscode-ide-companion on npm has been identified as a malicious package (version 99.99.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01953

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks gemini-cli-vscode-ide-companion-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database