CO
Product
composer
by composer · last CVE Sep 16, 2026
8
CVEs
0
On KEV
8.8
Max CVSS
0
New 30D
Severity mix
Critical 0High 5Medium 3Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-40261
8.8
2%
Apr 15
Composer has Command Injection via Malicious Perforce Reference
Affected: >= 2.3.0, < 2.9.6; >= 1.0.0, < 2.2.27
CVE-2026-40176
7.8
1%
Apr 15
Composer is vulnerable to Command Injection via Malicious Perforce Repository
Affected: >= 2.3, < 2.9.6; >= 1.0, < 2.2.27
CVE-2026-84361
7.7
1%
Sep 1
Composer: Perforce source URL permits P4PORT `rsh:` command execution
Affected: >= 1.0, < 2.2.30; >= 2.3.0, < 2.10.3
CVE-2026-45793
7.5
1%
Jul 15
Composer: Github Actions issued GITHUB_TOKEN disclosure in GitHub Actions logs
Affected: >= 1.0, < 1.10.28; >= 2.0.0, < 2.2.28; >= 2.3.0, < 2.9.8
CVE-2026-59948
7.0
0%
Jul 8
Composer: Arbitrary file write outside vendor via malicious transitive package name
Affected: >= 1.0, < 2.2.29; >= 2.3.0, < 2.10.2
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