MAL-2026-10500: Malicious code in express-bunker (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (68139b9a62e1d546de6ce2e46d5203782dbf54f1af2edbd2b8f509528eb0f000) [email protected] ships a postinstall script that performs an HTTP GET to a hardcoded bare IP over plain HTTP (http://130.49.177.51:18080/p/dc-20260627-yandex-geobase) at npm install time, transmitting the package name, version, and a fixed campaign nonce (bb-express-bunker-20260628). The beacon fires unconditionally on every install with no opt-out. The package name and beacon path indicate a dependency-confusion squat against an internal namespace (yandex-geobase): any host or CI system that mis-resolves an internal dependency name to this public artifact silently signals successful name shadowing to the operator-controlled endpoint, disclosing installer environment information and confirming exploitability for follow-on attacks. A README self-label as a 'benign PoC' does not change the installer-side effect — the public artifact performs install-time outbound network I/O the installer did not opt into, and the same install vector could ship arbitrary code in a later version.
MAL-2026-10500: Malicious code in express-bunker (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (68139b9a62e1d546de6ce2e46d5203782dbf54f1af2edbd2b8f509528eb0f000) [email protected] ships a postinstall script that performs an HTTP GET to a hardcoded bare IP over plain HTTP (http://130.49.177.51:18080/p/dc-20260627-yandex-geobase) at npm install time, transmitting the package name, version, and a fixed campaign nonce (bb-express-bunker-20260628). The beacon fires unconditionally on every install with no opt-out. The package name and beacon path indicate a dependency-confusion squat against an internal namespace (yandex-geobase): any host or CI system that mis-resolves an internal dependency name to this public artifact silently signals successful name shadowing to the operator-controlled endpoint, disclosing installer environment information and confirming exploitability for follow-on attacks. A README self-label as a 'benign PoC' does not change the installer-side effect — the public artifact performs install-time outbound network I/O the installer did not opt into, and the same install vector could ship arbitrary code in a later version.
Affected software
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-10500
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a55ff9068715ace432f4b41
Added to database: 07/14/2026, 09:21:20 UTC
Last updated: 07/14/2026, 09:21:20 UTC
Views: 1
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