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Malicious code in skillward (npm)

GHSA-9wgc-5pgr-25p3

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 skillward

    Affected
    >= 0.1.1, <= 0.1.1>= 0.1.2, <= 0.1.2
    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.

--- _-= Per source details. Do not edit below this line.=-_

Source: amazon-inspector (6c3ad90106c904f14f7b4987775b3e5701d66fc6ca669f4de658dd442bfb9f61) skillward ships a set of lint/scan rules under dist/rules/ that detect suspicious patterns in other code. SW003-encoded-payload.js contains detection logic that references Buffer.from/base64 decoding patterns as things to flag; SW007-suspicious-egress.js enumerates dynamic-DNS provider substrings (no-ip., hopto.org, duckdns) as indicators to match against scanned code. These strings appear as detection data inside a rules module, not as runtime behavior of the package itself: the package does not decode or execute any base64 payload, does not contact dynamic-DNS hosts, and has no install-time or import-time network, filesystem, or credential activity. The pattern matches the indicator-as-data shape of a defensive detection tool.

Source: ghsa-malware (b0f3fd922178c06b3eae3dfaaa0bce1469e7c2d70a010a6263b117e36874a72a) Any computer…

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

    Published from osv record MAL-2026-18220

Agent brief

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

# Patch Next advisory brief: GHSA-9wgc-5pgr-25p3

Advisory: Malicious code in skillward (npm)
IDs: GHSA-9wgc-5pgr-25p3
Record: https://patchnext.com/advisories/mal-2026-18220 (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 skillward: affected >= 0.1.1, <= 0.1.1; >= 0.1.2, <= 0.1.2

## Suggested inspection (read-only)
- `npm ls skillward --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 skillward.
- 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-2026-18220 (OSV record MAL-2026-18220 lists affected ranges: npm skillward >=0.1.1 =0.1.2 <=0.1.2)

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