🛡️ MAL-2026-12390 — hubert-document-actual-insurance-rules-a

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Malicious code in hubert-document-actual-insurance-rules-am (npm)

Source: amazon-inspector

On require of the package, index.js loads _helpers.js which downloads a platform-specific executable from a rotating list of Cloudflare Workers hosts (oob-worker.cf103-070.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf99-9b3.workers.dev) with a DNS-TXT fallback under *.dl.well1.site. The hostnames are assembled at runtime by splitting and joining string fragments to hide them from static analysis. The fetched binary is written to a disguised path in /tmp or %TEMP% (e.g. dotnet_diag_<hex>.exe or.cache_<hex>), chmodded 0o755 on POSIX, and spawned detached via /bin/sh -c or cmd. Cover-story identifiers such as analytics_state, DISABLE_TELEMETRY, and dotnet_diag_ frame the behavior as telemetry, but the actual code path is a fetch-and-execute dropper of attacker-controlled binaries that fires on module load.

Affected software

MAL-2026-12390 is recorded against 1 package.

  • hubert-document-actual-insurance-rules-am

Timeline and source

Published on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.npmjs.com (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-05
Updated 2026-08-12
Modified 2026-08-05
Fix URL N/A

Affected Packages

Software From version Fixed in
hubert-document-actual-insurance-rules-am — —

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