Which versions of agent-framework-web are malicious?

The following npm versions of agent-framework-web are flagged malicious: 9.9.9. Treat any of these as compromised.

How do I remediate agent-framework-web if I installed it?

Remove agent-framework-web 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 agent-framework-web — how do I know if it already compromised me?

If agent-framework-web 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 agent-framework-web part of a known attack campaign?

Yes — agent-framework-web is associated with the RLMA-2026-01881 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 agent-framework-web across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for agent-framework-web (version 9.9.9).

Malicious package

agent-framework-webnpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

agent-framework-web is a confirmed malicious npm package (MAL-2026-2725) that executes malicious code on install (malicious version 9.9.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in agent-framework-web (npm)

MAL-2026-2725

Immediate action

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

npm uninstall agent-framework-web

What this malware does

The package agent-framework-web was found to contain malicious code.

Malicious versions

1 flagged

9.9.9

Indicators of compromise (SHA-256)

0be106850461b30ccab23bc2e3aca799d202f6729a9083da8332e8bf930d97e6

fc8c54e8fb3b687786f6141ea8ea92fa6eeb60de018eb8543a325bac6eed1f67

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for agent-framework-web (version 9.9.9).
If you installed it — respond
Remove agent-framework-web 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 agent-framework-web 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. agent-framework-web on npm has been identified as a malicious package (version 9.9.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01881

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks agent-framework-web-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