# composer/composer (Packagist) vulnerabilities Source: https://junglewise.ai/threats/technologies/composer-composer Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/composer-composer.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 17 vulnerabilities in composer/composer (Packagist): 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59944, was published on 16 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 2 - All time: 17 (0 critical, 0 exploited in the wild) ## About composer/composer (Packagist) Dependency manager for PHP that resolves and installs project dependencies. ## Latest composer/composer (Packagist) vulnerabilities - [CVE-2026-59944: Composer bin path validation bypass via symlinks](https://junglewise.ai/threats/cve-2026-59944-composer-bin-path-validation-bypass-via-symlinks) (medium, CVSS 6.1, published 16 Sep 2026) - [CVE-2026-84361: Composer arbitrary command execution via malicious Perforce source URL](https://junglewise.ai/threats/cve-2026-84361-composer-arbitrary-command-execution-via-malicious-perforce) (high, CVSS 4, published 1 Sep 2026) - [CVE-2026-45793: Composer sensitive information disclosure in GitHub token validation](https://junglewise.ai/threats/cve-2026-45793-composer-sensitive-information-disclosure-in-github-token) (high, CVSS 7.5, published 15 Jul 2026) - [CVE-2026-59948: Composer path traversal via malicious package name](https://junglewise.ai/threats/cve-2026-59948-composer-path-traversal-via-malicious-package-name) (high, CVSS 7, published 8 Jul 2026) - [CVE-2026-59947: Composer sensitive information disclosure in verbose debug output](https://junglewise.ai/threats/cve-2026-59947-composer-sensitive-information-disclosure-in-verbose-debug-output) (medium, CVSS 4.7, published 8 Jul 2026) - [CVE-2026-59946: Composer path traversal in package bin field](https://junglewise.ai/threats/cve-2026-59946-composer-path-traversal-in-package-bin-field) (medium, CVSS 6.1, published 8 Jul 2026) - [CVE-2026-40261: Composer command injection in Perforce repository handling](https://junglewise.ai/threats/cve-2026-40261-composer-command-injection-in-perforce-repository-handling) (high, CVSS 8.8, published 15 Apr 2026) - [CVE-2026-40176: Composer command injection in Perforce repository handling](https://junglewise.ai/threats/cve-2026-40176-composer-command-injection-in-perforce-repository-handling) (high, CVSS 7.8, published 15 Apr 2026) - [CVE-2025-67746: Composer is vulnerable to ANSI sequence injection](https://junglewise.ai/threats/cve-2025-67746-composer-is-vulnerable-to-ansi-sequence-injection) (medium, CVSS 4, published 30 Dec 2025) - [CVE-2024-35241: Composer has a command injection via malicious git branch name](https://junglewise.ai/threats/cve-2024-35241-composer-has-a-command-injection-via-malicious-git-branch-name) (low, CVSS 3.1, published 10 Jun 2024) - [CVE-2024-35242: Composer has multiple command injections via malicious git/hg branch names](https://junglewise.ai/threats/cve-2024-35242-composer-has-multiple-command-injections-via-malicious-git-hg) (low, CVSS 3.1, published 10 Jun 2024) - [CVE-2024-24821: Composer code execution and possible privilege escalation via compromised InstalledVersions.php or installed.php](https://junglewise.ai/threats/cve-2024-24821-composer-code-execution-and-possible-privilege-escalation-via) (low, CVSS 3.1, published 8 Feb 2024) - [CVE-2023-43655: Composer Remote Code Execution vulnerability via web-accessible composer.phar](https://junglewise.ai/threats/cve-2023-43655-composer-remote-code-execution-vulnerability-via-web-accessible) (low, CVSS 3.1, published 29 Sep 2023) - [CVE-2015-8371: Composer allows cache poisoning from other projects built on the same host](https://junglewise.ai/threats/cve-2015-8371-composer-allows-cache-poisoning-from-other-projects-built-on-the) (low, CVSS 3.1, published 21 Sep 2023) - [CVE-2022-24828: Missing input validation can lead to command execution in composer](https://junglewise.ai/threats/cve-2022-24828-missing-input-validation-can-lead-to-command-execution-in) (low, CVSS 3.1, published 22 Apr 2022) - [CVE-2021-41116: Improper escaping of command arguments on Windows leading to command injection](https://junglewise.ai/threats/cve-2021-41116-improper-escaping-of-command-arguments-on-windows-leading-to) (low, CVSS 3.1, published 5 Oct 2021) - [CVE-2021-29472: Composer's missing argument delimiter can lead to code execution via VCS repository URLs or source download URLs on…](https://junglewise.ai/threats/cve-2021-29472-composer-s-missing-argument-delimiter-can-lead-to-code-execution) (low, CVSS 3.1, published 29 Apr 2021) ## Most severe composer/composer (Packagist) vulnerabilities - [CVE-2026-40261: Composer command injection in Perforce repository handling](https://junglewise.ai/threats/cve-2026-40261-composer-command-injection-in-perforce-repository-handling) (high, CVSS 8.8, published 15 Apr 2026) - [CVE-2026-40176: Composer command injection in Perforce repository handling](https://junglewise.ai/threats/cve-2026-40176-composer-command-injection-in-perforce-repository-handling) (high, CVSS 7.8, published 15 Apr 2026) - [CVE-2026-45793: Composer sensitive information disclosure in GitHub token validation](https://junglewise.ai/threats/cve-2026-45793-composer-sensitive-information-disclosure-in-github-token) (high, CVSS 7.5, published 15 Jul 2026) - [CVE-2026-59948: Composer path traversal via malicious package name](https://junglewise.ai/threats/cve-2026-59948-composer-path-traversal-via-malicious-package-name) (high, CVSS 7, published 8 Jul 2026) - [CVE-2026-84361: Composer arbitrary command execution via malicious Perforce source URL](https://junglewise.ai/threats/cve-2026-84361-composer-arbitrary-command-execution-via-malicious-perforce) (high, CVSS 4, published 1 Sep 2026) - [CVE-2026-59944: Composer bin path validation bypass via symlinks](https://junglewise.ai/threats/cve-2026-59944-composer-bin-path-validation-bypass-via-symlinks) (medium, CVSS 6.1, published 16 Sep 2026) - [CVE-2026-59946: Composer path traversal in package bin field](https://junglewise.ai/threats/cve-2026-59946-composer-path-traversal-in-package-bin-field) (medium, CVSS 6.1, published 8 Jul 2026) - [CVE-2026-59947: Composer sensitive information disclosure in verbose debug output](https://junglewise.ai/threats/cve-2026-59947-composer-sensitive-information-disclosure-in-verbose-debug-output) (medium, CVSS 4.7, published 8 Jul 2026) - [CVE-2025-67746: Composer is vulnerable to ANSI sequence injection](https://junglewise.ai/threats/cve-2025-67746-composer-is-vulnerable-to-ansi-sequence-injection) (medium, CVSS 4, published 30 Dec 2025) - [CVE-2021-29472: Composer's missing argument delimiter can lead to code execution via VCS repository URLs or source download URLs on…](https://junglewise.ai/threats/cve-2021-29472-composer-s-missing-argument-delimiter-can-lead-to-code-execution) (low, CVSS 3.1, published 29 Apr 2021) ## Vulnerabilities per week Nothing in the last four weeks, down from 1 vulnerability in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 1 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 1 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Packagist technologies - [moodle/moodle (Packagist)](https://junglewise.ai/threats/technologies/moodle-moodle): 434 vulnerabilities - [magento/community-edition (Packagist)](https://junglewise.ai/threats/technologies/packagist-magento-community-edition): 362 vulnerabilities - [typo3/cms (Packagist)](https://junglewise.ai/threats/technologies/packagist-typo3-cms): 187 vulnerabilities - [wwbn/avideo (Packagist)](https://junglewise.ai/threats/technologies/wwbn-avideo): 164 vulnerabilities - [magento/project-community-edition (Packagist)](https://junglewise.ai/threats/technologies/magento-project-community-edition): 161 vulnerabilities - [drupal/core (Packagist)](https://junglewise.ai/threats/technologies/packagist-drupal-core): 150 vulnerabilities - [pimcore/pimcore (Packagist)](https://junglewise.ai/threats/technologies/pimcore-pimcore): 145 vulnerabilities - [craftcms/cms (Packagist)](https://junglewise.ai/threats/technologies/craftcms-cms): 143 vulnerabilities - [dolibarr/dolibarr (Packagist)](https://junglewise.ai/threats/technologies/dolibarr-dolibarr): 127 vulnerabilities - [getgrav/grav (Packagist)](https://junglewise.ai/threats/technologies/getgrav-grav): 127 vulnerabilities - [typo3/cms-core (Packagist)](https://junglewise.ai/threats/technologies/typo3-cms-core): 127 vulnerabilities - [concrete5/concrete5 (Packagist)](https://junglewise.ai/threats/technologies/concrete5-concrete5): 122 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "composer/composer (Packagist) vulnerabilities", https://junglewise.ai/threats/technologies/composer-composer, 9 November 2026.