Which versions of sy-editor-v3 are malicious?

The following npm versions of sy-editor-v3 are flagged malicious: 9.0.1. Treat any of these as compromised.

How do I remediate sy-editor-v3 if I installed it?

Remove sy-editor-v3 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 sy-editor-v3 — how do I know if it already compromised me?

If sy-editor-v3 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 sy-editor-v3 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for sy-editor-v3 (version 9.0.1).

Malicious package

sy-editor-v3npm

Advisory published Apr 19, 2026Updated Apr 23, 2026

sy-editor-v3 is a confirmed malicious npm package (MAL-2026-2932) that executes malicious code on install (malicious version 9.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in sy-editor-v3 (npm)

MAL-2026-2932

Immediate action

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

npm uninstall sy-editor-v3

What this malware does

The package sy-editor-v3 was found to contain malicious code.

The OpenSSF Package Analysis project identified 'sy-editor-v3' @ 9.0.1 (npm) as malicious.

It is considered malicious because:

The package executes one or more commands associated with malicious behavior.

Malicious versions

1 flagged

9.0.1

Indicators of compromise (SHA-256)

d963211c9488343ab1a4657919d5d27376d2ca2b484cf97036fa056d9998f753

5cbd7c2056a09f76b9e73fbd0dae4370df9df455077146ae85b6b985b0394d4f

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for sy-editor-v3 (version 9.0.1).
If you installed it — respond
Remove sy-editor-v3 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 sy-editor-v3 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. sy-editor-v3 on npm has been identified as a malicious package (version 9.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

Amazon Inspector · finder
OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks sy-editor-v3-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