Which versions of spire.officejs-fonts are malicious?

Every published version of spire.officejs-fonts on npm is considered malicious. Remove the package entirely.

How do I remediate spire.officejs-fonts if I installed it?

Remove spire.officejs-fonts 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 spire.officejs-fonts — how do I know if it already compromised me?

If spire.officejs-fonts 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 spire.officejs-fonts across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for spire.officejs-fonts (all published versions).

Malicious package

spire.officejs-fontsnpm

Advisory published Jan 16, 2026Updated Jan 16, 2026

spire.officejs-fonts is a confirmed malicious npm package (MAL-2026-313) that executes malicious code on install. Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in spire.officejs-fonts (npm)

MAL-2026-313

Immediate action

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

npm uninstall spire.officejs-fonts

What this malware does

The package spire.officejs-fonts was found to contain malicious code.

Malicious versions

all versions

Every published version of this package is considered malicious — remove it entirely.

Indicators of compromise (SHA-256)

85e04f3e2745bb2e3fd9eac19b0b9c45ad94c1ead97c8a9a4a1db6d412bd39eb

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for spire.officejs-fonts (all published versions).
If you installed it — respond
Remove spire.officejs-fonts 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 spire.officejs-fonts 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. spire.officejs-fonts on npm has been identified as a malicious package (all published versions flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

Amazon Inspector · finder

Detect & block this

O3 blocks spire.officejs-fonts-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

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