wml-core
This report shows the evidence for wml-core@99.0.1, the only known version.
This package appears in our research on the dependency confusion probes at version 99 and above, with how it works, the full package list and what to do if you installed it.
OpenSSF/OSV Malicious Advisory
imported 4mo ago · by OpenSSF/OSVOpenSSF/OSV advisory MAL-2026-4731 confirms this npm version as malicious.
Advisory
MAL-2026-4731
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in wml-core (npm)
Details
wml-core@99.0.1 is a dependency-confusion package targeting an internal `wml-*` namespace, published with an inflated version (99.0.1) to win npm resolution against an internal package of the same name. The `preinstall` script `poc.js` runs automatically on `npm install` and harvests: hostname, username, OS/platform info, full network configuration (`ipconfig /all` on Windows or `ip a` + `/etc/resolv.conf` on Linux), `whoami /all` / `id` output, git remote URLs, the parent project's `package.json`, CI configuration files (`.gitlab-ci.yml`, `.github/workflows/*`, `Jenkinsfile`, `azure-pipelines.yml`), and a filtered dump of `process.env` matching credential-bearing prefixes including `TOKEN`, `AWS`, `AZURE`, `NPM`, `GITHUB`, `GITLAB`, `JENKINS`, `WALMART`, `WMT`, `CI_`. The collected JSON blob is POSTed to `d8a5d9pon5bugoc35cngp9hcregcqyezu.oast.me` (an Interactsh out-of-band callback host) over HTTPS, with a DNS callback emitted as a side channel. Any installer outside the intended target scope — including unintended internal builds and any third party who installs this name — has their build environment, CI secrets, and cloud/registry tokens exfiltrated. The package's self-description as 'authorized bug bounty research' does not change installer-side harm: the payload fires unconditionally on any `npm install`.
References
Source & flagged code
0 flaggedNo flagged code excerpts are attached to this scan.
Findings
1 High
HighOsv Malicious Advisory
Affected versions and remediation
This report applies to wml-core@99.0.1.
The versions list below shows the verdict for each recorded version.
- Avoid installing wml-core@99.0.1. Remove it from direct dependencies and check your lockfile for transitive copies.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
- If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.
Evidence last updated: .
Source advisory published: .
This report uses published external intelligence. The advisory does not provide a separate source-code analysis for each listed version.
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