CVE-2021-41116: Improper escaping of command arguments on Windows leading to command injection

high Affects composer/composer. Feed 2026.10.29.4, updated 2026-10-29; published 2021-10-05; advisory modified 2026-07-08.

Improper escaping of command arguments on Windows leading to command injection

Package: composer/composer Composer
Affected versions: <1.10.23 or >=2.0.0-alpha1 and <2.1.9
Fixed in: 1.10.23, 2.1.9
Severity: high CVSS 8.2
Exploitation: not on CISA KEV · EPSS 3% (86.6th percentile)
Published: 2021-10-05
Source: osv.dev

References

CWE-77

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