High Severity Code Injection in Laravel Livewire Enables Remote Command Execution
What It Is
Laravel Livewire, a popular full‑stack framework for building dynamic interfaces in Laravel applications, contains a code‑injection flaw. An attacker can supply crafted input that is evaluated as PHP code, potentially leading to remote command execution on the host server.
Exploitability
The vulnerability is unauthenticated and can be triggered in specific Livewire component configurations where user‑supplied data is passed to eval‑style functions without proper sanitisation. Proof‑of‑concept code has been published, and the vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog with a High severity rating (CVSS ≥ 7.5).
Affected Products
- Vendor: Laravel
- Product: Livewire (all versions prior to the vendor‑released patch)
Why It Matters for Compliance & Audit Readiness
From a trust‑and‑control‑assurance perspective, this flaw directly challenges Access Controls and the integrity of application‑level security controls required by frameworks such as NIST CSF PR.AC‑1 and ISO 27001 A.9.2.1.
- Continuous Control Monitoring: Detecting unexpected command execution or anomalous process creation is essential to demonstrate that access controls remain effective after deployment.
- Evidence of Due Diligence: Maintaining an up‑to‑date inventory of third‑party components (vendor‑management control) and documenting patch remediation provides a defensible audit trail.
- Defensible Audit Trail: Logging of Livewire request payloads and command‑execution attempts creates immutable evidence that can be presented during compliance reviews.
Recommended Actions
- Inventory & Prioritise: Identify all applications using Laravel Livewire and confirm version numbers.
- Patch Immediately: Apply the vendor‑released fix (or upgrade to the latest supported version).
- Validate Input Controls: Review component code for unsafe dynamic evaluation; replace with safe data handling or explicit whitelisting.
- Deploy WAF/Runtime Protections: Add rules to block suspicious payload patterns targeting Livewire endpoints.
- Update CI/CD Policies: Enforce automated dependency scanning for Livewire and require security gate checks before promotion.
- Document Remediation: Record patch dates, affected asset IDs, and updated control mappings to satisfy audit requirements.
Source: CISA KEV – CVE‑2025‑54068