fsbrowse
This report shows the evidence for fsbrowse@0.2.28, the only known version.
This package appears in our research on the fake Tailwind CSS plugins, with how it works, the full package list and what to do if you installed it.
OpenSSF/OSV Malicious Advisory
imported 3mo ago · by OpenSSF/OSVOpenSSF/OSV advisory MAL-2026-13722 confirms this npm version as malicious.
Advisory
MAL-2026-13722
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in fsbrowse (npm)
Details
Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
References
Independent scan evidence
public snapshotBehavioral surface
ChildProcessEnvironmentVarsEvalFilesystemNetwork
HighEntropyStringsUrlStrings
Source & flagged code
3 flaggedindex.jsView file
465return router;
L466: }; ...
L467:
High
465return router;
L466: }; ...
L467:
High
Same File Env Network Execution
A single source file combines environment access, network access, and code or shell execution; review context before blocking.
index.jsView on unpkg · L465test.jsView file
285const fnBody = src.match(/function parseArgs\(argv\) \{[\s\S]*?^}/m)[0];
L286: const parseArgs = new Function('return ' + fnBody)();
L287:
Low
Eval
Package source references a known benign dynamic code generation pattern.
Findings
2 High2 Medium5 Low
HighChild Processindex.js
HighSame File Env Network Executionindex.js
MediumNetwork
MediumEnvironment Vars
LowScripts Present
LowEvaltest.js
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to fsbrowse@0.2.28.
The versions list below shows the verdict for each recorded version.
- Avoid installing fsbrowse@0.2.28. 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: .
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