New PHP Composer Flaws Enable Arbitrary Command Execution — Patches Released

Tuesday, April 14, 2026 at 03:57 PM UTC·Source: The Hacker News

Updated: Tuesday, April 14, 2026 at 04:58 PM UTC

Executive Summary

Two high-severity security vulnerabilities have been disclosed in Composer, a package manager for PHP, that, if successfully exploited, could result in arbitrary command execution. The vulnerabilities have been described as command injection flaws affecting the Perforce VCS (version control software) driver. Details of the two flaws are below - CVE-2026-40176 (CVSS

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-40176

NVD MITRE CVE

Source Attribution

Originally published by The Hacker News on Apr 14, 2026.

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