Is CVE-2026-59946 actively exploited?

No active exploitation of CVE-2026-59946 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-59946 be exploited remotely?

No. CVE-2026-59946 requires local access to exploit.

What is the CVSS score of CVE-2026-59946?

CVE-2026-59946 has a CVSS score of 6.1 (MEDIUM).

HOME VULNERABILITIESCVE-2026-59946

MEDIUM

CVE-2026-59946

CWE-22Published: July 8, 2026· Updated: Jul 10, 2026

6.1

CVSS v3.1

EPSS:0.14%probability of exploitation in 30 daysPercentile:3.5th

Official Description

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 world-executable mode during composer install, update, or require. This issue is fixed in versions 2.2.29 and 2.10.2.

NVD Source

Technical Analysis

CVE-2026-59946 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.1.