High8.8Red Hat & Ubuntu Linux
command injection via malicious Perforce source reference/url
CVE-2026-40261 Published Apr 15, 2026
CVE-2026-40261
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
command injection via malicious Perforce source reference/url. Red Hat rates this important (CVSS 8.8). Weakness: CWE-78. Affected package(s): composer-main. Resolved in Red Hat advisory RHSA-2026:8165 — update the affected packages (`sudo dnf update`).
Affected versions
- composer-main-2.9.7-1.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:8165
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:8165 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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