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CVE-2025-67746

4.3 · MEDIUM

Composer is a dependency manager for PHP.

Published Dec 30, 2025CWE-74EPSS 0.45%

Overview

CVE-2025-67746 is a medium-severity vulnerability. It was published on December 30, 2025 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Composer is a dependency manager for PHP. In versions on the 2.x branch prior to 2.2.26 and 2.9.3, attackers controlling remote sources that Composer downloads from might in some way inject ANSI control characters in the terminal output of various Composer commands, causing mangled output and potentially leading to confusion or DoS of the terminal application. There is no proven exploit and this has thus a low severity but we still publish a CVE as it has potential for abuse, and we want to be on the safe side informing users that they should upgrade. Versions 2.2.26 and 2.9.3 contain a patch for the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/composer/composer/commit/1d40a95c9d39a6b7f80d404ab30336c586da9917GitHubgithub.com/composer/composer/commit/5db1876a76fdef76d3c4f8a27995c434c7a43e71GitHubgithub.com/composer/composer/releases/tag/2.2.26GitHubgithub.com/composer/composer/releases/tag/2.9.3GitHubgithub.com/composer/composer/security/advisories/GHSA-59pp-r3rg-353g

How CyberStrike helps

Frequently asked questions

What is CVE-2025-67746?

CVE-2025-67746 is a medium-severity vulnerability. It was published on December 30, 2025 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-67746?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-67746?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-67746?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-67746 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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