Description
Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependencies are subject to command injection and should upgrade their composer version. Other OSs and WSL are not affected. The issue has been resolved in composer versions 1.10.23 and 2.1.9. There are no workarounds for this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| composer | composer | < 1.10.23, >= 2.0, < 2.1.9 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | composer | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP3 | php-composer | 1.10.26-bp153.2.6.1 | openSUSE-SU-2022:0132-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | php-composer | 1.10.25-1.1 | openSUSE-SU-2024:11874-1 |
| openSUSE Tumbleweed | php-composer2 | 2.1.12-1.1 | openSUSE-SU-2024:11617-1 |
| openSUSE Leap 15.3 | php-composer | 1.10.26-bp153.2.6.1 | openSUSE-SU-2022:0132-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | composer | 2.1.9-r0 | — |
| Alpine v3.23 | composer | 2.1.9-r0 | — |
| Alpine v3.22 | composer | 2.1.9-r0 | — |
| Alpine v3.21 | composer | 2.1.9-r0 | — |
| Alpine v3.20 | composer | 2.1.9-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | composer | 2.1.9-r0 | — |
| Alpine v3.18 | composer | 2.1.9-r0 | — |
| Alpine v3.17 | composer | 2.1.9-r0 | — |
| Alpine v3.16 | composer | 2.1.9-r0 | — |
| Alpine v3.15 | composer | 2.1.9-r0 | — |
| Alpine v3.14 | composer | 2.1.9-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | composer/composer | < 1.10.23 | 1.10.23 | GHSA-frqg-7g38-6gcf |
| Packagist | composer/composer | >= 2.0.0-alpha1, < 2.1.9 | 2.1.9 | GHSA-frqg-7g38-6gcf |
Advisories 3
- openSUSE-SU-2022:0132-1 Security update for php-composer SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11874-1 php-composer-1.10.25-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11617-1 php-composer2-2.1.12-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025