Which versions of osc-datagrid-validator are malicious?

The following npm versions of osc-datagrid-validator are flagged malicious: 1.0.0. Treat any of these as compromised.

How do I remediate osc-datagrid-validator if I installed it?

Remove osc-datagrid-validator 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 osc-datagrid-validator — how do I know if it already compromised me?

If osc-datagrid-validator 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 osc-datagrid-validator part of a known attack campaign?

Yes — osc-datagrid-validator is associated with the RLMA-2026-01803 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 osc-datagrid-validator across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for osc-datagrid-validator (version 1.0.0).

Malicious package

osc-datagrid-validatornpm

Advisory published Mar 24, 2026Updated Apr 7, 2026

osc-datagrid-validator is a confirmed malicious npm package (MAL-2026-2382) that executes malicious code on install (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in osc-datagrid-validator (npm)

MAL-2026-2382

Immediate action

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

npm uninstall osc-datagrid-validator

What this malware does

The package osc-datagrid-validator was found to contain malicious code.

Malicious versions

1 flagged

1.0.0

Indicators of compromise (SHA-256)

66a33c9b1b935a276d3ba6bbb5876a310f9277d7c8577b6894a34fb055c5c100

b8b6beb7674c12933f815ec6da07e3bcb65403fef71ed76e7c1c8805df763672

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for osc-datagrid-validator (version 1.0.0).
If you installed it — respond
Remove osc-datagrid-validator 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 osc-datagrid-validator 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. osc-datagrid-validator on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01803

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks osc-datagrid-validator-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