🛡️ MAL-2026-12197 — simple-date-formatter-new-6

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

Description

Malicious code in simple-date-formatter-new-6 (npm)

Source: amazon-inspector

package.json declares a postinstall script that runs a shell pipeline collecting host identifiers (uname, id), routing and ARP tables, TCP-probe results against internal hosts, cloud instance metadata from 169.254.169.254, and PID 1 cmdline, then POSTs the aggregated output over plain HTTP to safjhdvsfwzhieemkdzbgr54r0yjhrmok.oast.fun/escinfo10 (an interact.sh OAST callback host). A sibling postinstall.js enumerates ~/.ssh and POSTs a JSON payload including username, platform, and.pub filenames to the hardcoded IP 124.221.154.135:443/post. Both behaviors fire as install-time side effects and provide the publisher with reconnaissance data and cloud-credential-adjacent metadata from any host that runs npm install on this package.

Affected software

MAL-2026-12197 is recorded against 1 package.

  • simple-date-formatter-new-6

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
simple-date-formatter-new-6 — —

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