Which versions of tdesign-vue-mono are malicious?

The following RubyGems versions of tdesign-vue-mono are flagged malicious: 1.0.1. Treat any of these as compromised.

How do I remediate tdesign-vue-mono if I installed it?

Remove tdesign-vue-mono 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 tdesign-vue-mono — how do I know if it already compromised me?

If tdesign-vue-mono 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.

How do I find tdesign-vue-mono across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for tdesign-vue-mono (version 1.0.1).

Malicious package

tdesign-vue-monoRubyGems

Advisory published Nov 13, 2026Updated Nov 13, 2026

tdesign-vue-mono is a confirmed malicious RubyGems package (MAL-2026-19242) that executes malicious code on install (malicious version 1.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in tdesign-vue-mono (RubyGems)

MAL-2026-19242

Immediate action

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

gem uninstall tdesign-vue-mono

What this malware does

The OpenSSF Package Analysis project identified 'tdesign-vue-mono' @ 1.0.1 (rubygems) as malicious.

It is considered malicious because:

The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged

1.0.1

Indicators of compromise (SHA-256)

b0cfa1af4f0cec458d6f289661f3d1791a2b8a484169b83ce9ec1ca78697f6e9

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for tdesign-vue-mono (version 1.0.1).
If you installed it — respond
Remove tdesign-vue-mono 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 tdesign-vue-mono 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. tdesign-vue-mono on RubyGems has been identified as a malicious package (version 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks tdesign-vue-mono-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