Add OSV report for jscrambler (npm supply-chain compromise, 5 versions) - #1367
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Signed-off-by: Sahilb315 <bansalsahil315@gmail.com>
KunalSin9h
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Jul 11, 2026
Signed-off-by: Sahilb315 <bansalsahil315@gmail.com>
… 8.20.0) Signed-off-by: Sahilb315 <bansalsahil315@gmail.com>
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calebbrown
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Adds an OSV malicious package report for a supply-chain compromise of the official
jscramblernpm client.jscrambler(npm)8.14.0,8.16.0,8.17.0,8.18.0,8.20.0(8.13.0is clean)jscrambler_/ info@jscrambler.com), not a typosquatBehavior: the compromised releases add a new
preinstallhook (node dist/setup.js) and a new 7.5MBdist/intro.js(entropy 8.00, custom-packed multi-platform binary container, magic bytes1b435349 01). At install time,setup.jsgunzips the platform-matched payload fromintro.js, writes it to a random file under the OS temp directory with the exec bit set (0o755, or.exeon Windows), then spawns it detached (unref,windowsHide) while swallowing all errors. A silent, install-time native-binary dropper. The mechanism was analyzed on8.14.0.Source: SafeDep report https://safedep.io/jscrambler-npm-supply-chain-compromise/ (analysis: https://app.safedep.io/community/malysis/01KX8WKGMA8HVDBHBCHJQDVB2A)