MAL-2026-19149

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/superlib_ex3/MAL-2026-19149.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-19149
Published
2026-11-08T01:30:00Z
Modified
2026-11-12T05:30:08Z
Summary
Malicious code in superlib_ex3 (npm)
Details

Malicious package. superlib_ex3 is a multi-stage loader: on install it fetches and executes a second-stage payload from the attacker-controlled host x.exxcube.fr (the install hook was observed in dynamic detonation retrieving https://x.exxcube.fr/postInstall). No legitimate functionality; all published versions are malicious. Full indicators at the reference below.

Database specific 
{
    "iocs": {
        "domains": [
            "x.exxcube.fr"
        ],
        "urls": [
            "https://x.exxcube.fr/postInstall"
        ]
    }
}
References
Credits

Affected packages

npm / superlib_ex3

Package

Name
superlib_ex3
View open source insights on deps.dev
Purl
pkg:npm/superlib_ex3

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/superlib_ex3/MAL-2026-19149.json"