The vulnerability of the syncCodeBase() function in the Composer dependency management tool allows a hacker to inject arbitrary commands.
🗓️ 20 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 6 Views
| Reporter | Title | Published | Views | Family All 57 |
|---|---|---|---|---|
 | Exploit for CVE-2026-40176 | 16 Apr 202604:00 | – | githubexploit |
| Exploit for CVE-2026-40176 | 17 Apr 202605:48 | – | githubexploit |
 | PHP Composer -- Multiple vulnerabilities | 14 Apr 202600:00 | – | freebsd |
 | CVE-2026-40261 | 15 Apr 202620:56 | – | attackerkb |
 | Amazon Linux 2023 : composer (ALAS2023-2026-1625) | 30 Apr 202600:00 | – | nessus |
| Fedora 43 : composer (2026-02c1f66b6a) | 16 Apr 202600:00 | – | nessus |
| Fedora 44 : composer (2026-1140c02041) | 25 Apr 202600:00 | – | nessus |
| Fedora 42 : composer (2026-d91f313a63) | 23 Apr 202600:00 | – | nessus |
| FreeBSD : PHP Composer -- Multiple vulnerabilities (7a7a17b2-381c-11f1-a663-10ffe07f9334) | 16 Apr 202600:00 | – | nessus |
| openSUSE 16 Security Update : php-composer2 (openSUSE-SU-2026:20670-1) | 10 May 202600:00 | – | nessus |
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21 Apr 2026 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 38.8
CVSS 210
EPSS0.01688