GHSA-96H3-5X6V-M776 Composer: GHSA-gjfg-22fp-rrxx fix bypass via symlinked package bin path

Summary A malicious or compromised Composer package could, when installed as a dependency, cause Composer to change the permissions of a file outside that package's own directory and to register a runnable vendor/bin command that points at that outside file. This is a path traversal and link...

CVE-2026-59944 Composer: CVE-2026-59946 fix bypass via symlinked package bin path

Composer is a dependency Manager for the PHP language. From 1.0 until 2.2.30 and from 2.3.0 until 2.10.3, a malicious or compromised dependency can bypass the earlier CVE-2026-59946 binary-path hardening because Composer validates literal parent-directory segments only during dependency resolutio...

Medium: composer

Issue Overview: Package bin path can escape the package directory, bypassing the GHSA-gjfg-22fp-rrxx fix. A malicious or compromised Composer package could, when installed as a dependency, cause Composer to change the permissions of a file outside that package's own directory and to register a...

BIT-COMPOSER-2026-59946 Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files

Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing host file to a world-readable and...

CVE-2026-59946 Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files

Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing host file to a world-readable and...

CVE-2026-59946 Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files

Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing host file to a world-readable and...