TI-2025-41442 Aliases CVE-2025-67746 GHSA-59pp-r3rg-353g

Composer vulnerable to ANSI sequence injection

LOW 8CWE-74Published 2025-12-30 · Updated 2025-12-30

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · None · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00453 39th percentileScored 2026-11-07

Fix Fixed composer (composer): 2.2.26, 2.9.3composer/composer (Packagist): 2.2.26, 2.9.3Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
composer	composer	2.0 to before 2.2.26; 2.3 to before 2.9.3	2.2.26, 2.9.3	Patch available	CNA
—	composer/composer (Packagist)	2.0.0 to before 2.2.26	2.2.26	Patch available	GHSA-59pp-r3rg-353g
—	composer/composer (Packagist)	2.3.0 to before 2.9.3	2.9.3	Patch available	GHSA-59pp-r3rg-353g

composer Vendorcomposer Affected 2.0 to before 2.2.26; 2.3 to before 2.9.3 Fixed in 2.2.26, 2.9.3 Patch available CNA
composer/composer (Packagist) Vendor— Affected 2.0.0 to before 2.2.26 Fixed in 2.2.26 Patch available GHSA-59pp-r3rg-353g
composer/composer (Packagist) Vendor— Affected 2.3.0 to before 2.9.3 Fixed in 2.9.3 Patch available GHSA-59pp-r3rg-353g

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:getcomposer:composer::::::::	2.0.0 to before 2.2.26; 2.3.0 to before 2.9.3	Vulnerable	composer

cpe:2.3:a:getcomposer:composer:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.2.26; 2.3.0 to before 2.9.3 Vulnerable ·composer

Remediation

Fix · CNA composer (composer) Fixed in 2.2.26, 2.9.3
Fix · GHSA-59pp-r3rg-353g composer/composer (Packagist) Fixed in 2.2.26 Advisory →
Fix · GHSA-59pp-r3rg-353g composer/composer (Packagist) Fixed in 2.9.3 Advisory →

Red Hat 1 advisory

RHSA-2026:8165 Released 2026-04-14 · Red Hat rating Important
Red Hat Hardened Images RPMs bug fix and enhancement update
- Red Hat Hardened Images composer-2.9.7-1.hum1@noarch@public-hummingbird-aarch64-rpms, composer-2.9.7-1.hum1@noarch@public-hummingbird-x86_64-rpms, composer-2.9.7-1.hum1@src

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Hardened Images	Fixed	RHSA-2026:8165

Timeline

2026-10-02 Threatist record created from CVE-2025-67746
2026-10-03 Alias added: GHSA-59pp-r3rg-353g

References

Patch 2

Advisory 2

Other 3

TI-2015-06892 Composer before 2016-02-10 allows cache poisoning from other projects built on the same… CVSS 3.1HIGH 8.8
TI-2021-17955 Command injection in composer on Windows CVSS 3.1CRITICAL 9.8
TI-2021-10185 Code injection in composer CVSS 3.1HIGH 8.8
TI-2022-08641 Missing input validation can lead to command execution in composer CVSS 3.1HIGH 8.8
TI-2026-29055 Composer has Command Injection via Malicious Perforce Reference CVSS 3.1HIGH 8.8
TI-2023-23380 Remote Code Execution via web-accessible composer.phar CVSS 3.1HIGH 8.8

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences