Which versions of proleis-web-file-input are malicious?

The following npm versions of proleis-web-file-input are flagged malicious: 10.0.0, 10.0.1, 10.1.0. Treat any of these as compromised.

How do I remediate proleis-web-file-input if I installed it?

Remove proleis-web-file-input 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 proleis-web-file-input — how do I know if it already compromised me?

If proleis-web-file-input 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 proleis-web-file-input part of a known attack campaign?

Yes — proleis-web-file-input is associated with the RLMA-2026-01512 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 proleis-web-file-input across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for proleis-web-file-input (3 malicious versions).

Malicious package

proleis-web-file-inputnpm

Advisory published Mar 18, 2026Updated Mar 23, 2026

proleis-web-file-input is a confirmed malicious npm package (MAL-2026-1826) that executes malicious code on install (malicious versions 10.0.0, 10.0.1, 10.1.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in proleis-web-file-input (npm)

MAL-2026-1826

Immediate action

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

npm uninstall proleis-web-file-input

What this malware does

The package proleis-web-file-input was found to contain malicious code.

Malicious versions

3 flagged

10.0.010.0.110.1.0

Indicators of compromise (SHA-256)

b716793257c80a222e2e33022e1b30c5d29ea2b38ea4f334712fadf1e8dd193b

245fa1a911f89e0a94db5dda7b80b9f2b64e0bbbbfeb9618b3e013f4da4f212c

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for proleis-web-file-input (3 malicious versions).
If you installed it — respond
Remove proleis-web-file-input 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 proleis-web-file-input 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. proleis-web-file-input on npm has been identified as a malicious package (versions 10.0.0, 10.0.1, 10.1.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01512

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks proleis-web-file-input-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