CVE-2025-67746: Composer is vulnerable to ANSI sequence injection

CVE-2025-67746 · Severity: medium · CVSS 4 · Published 2025-12-30

Composer is vulnerable to ANSI sequence injection

Technologies: composer/composer (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2025-67746 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-67746 being exploited in the wild.
How severe is CVE-2025-67746?
Medium severity, with a CVSS score of 4, published 30 December 2025.
Which products and versions are affected?
composer/composer (Packagist) ECOSYSTEM:introduced=2.0.0,fixed=2.2.26.
Is there a fix for CVE-2025-67746?
Yes. composer/composer (Packagist): upgrade to 2.2.26 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-67746?
Check whether you run composer/composer (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • composer/composer (Packagist): upgrade to 2.2.26 or later
    composer require composer/composer:^2.2.26

Affected products

  • composer/composer (Packagist) ECOSYSTEM:introduced=2.0.0,fixed=2.2.26

Identifiers

  • CVE-2025-67746
  • GHSA-59pp-r3rg-353g

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.