🛡️ MAL-2026-12206 — simple-date-formatter-util-8

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

Description

Malicious code in simple-date-formatter-util-8 (npm)

Source: amazon-inspector

package.json declares a postinstall lifecycle script that runs curl against the hardcoded bare-IP endpoint http://124.221.154.135/pre, passing the installer's hostname and username as query parameters ($(hostname), $(whoami)). The package presents itself as a trivial date-formatting utility, a purpose that has no need for network I/O at install time. The behavior fires automatically on npm install and leaks installer host identity to a non-first-party attacker-controlled endpoint.

Affected software

MAL-2026-12206 is recorded against 1 package.

  • simple-date-formatter-util-8

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-util-8 — —

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