Which versions of blob-internal-security-test-f63eabf7 are malicious?

The following npm versions of blob-internal-security-test-f63eabf7 are flagged malicious: 99.99.99. Treat any of these as compromised.

How do I remediate blob-internal-security-test-f63eabf7 if I installed it?

Remove blob-internal-security-test-f63eabf7 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 blob-internal-security-test-f63eabf7 — how do I know if it already compromised me?

If blob-internal-security-test-f63eabf7 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 blob-internal-security-test-f63eabf7 part of a known attack campaign?

Yes — blob-internal-security-test-f63eabf7 is associated with the RLMA-2026-01127 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 blob-internal-security-test-f63eabf7 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for blob-internal-security-test-f63eabf7 (version 99.99.99).

Malicious package

blob-internal-security-test-f63eabf7npm

Advisory published Mar 18, 2026Updated Mar 23, 2026

blob-internal-security-test-f63eabf7 is a confirmed malicious npm package (MAL-2026-1662) that executes malicious code on install (malicious version 99.99.99). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in blob-internal-security-test-f63eabf7 (npm)

MAL-2026-1662

Immediate action

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

npm uninstall blob-internal-security-test-f63eabf7

What this malware does

The package blob-internal-security-test-f63eabf7 was found to contain malicious code.

Malicious versions

1 flagged

99.99.99

Indicators of compromise (SHA-256)

d0f280284e95fcd20839e4d38316a0a9f3a899866be8ce26278802574b22452a

e74309111e07d1757fef6d6a253d000339f2215e3166990d4e64964d4ec3d803

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for blob-internal-security-test-f63eabf7 (version 99.99.99).
If you installed it — respond
Remove blob-internal-security-test-f63eabf7 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 blob-internal-security-test-f63eabf7 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. blob-internal-security-test-f63eabf7 on npm has been identified as a malicious package (version 99.99.99 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01127

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks blob-internal-security-test-f63eabf7-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