Laravel Livewire Code Injection Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 20/03/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| livewire/livewire | ≥ 3.0.0-beta.1, < 3.6.4 | 3.6.4 |
| livewire | ≥ 3.0.0, < 3.6.4 | 3.6.4 |
In Livewire v3 (≤ 3.6.3), a vulnerability allows unauthenticated attackers to achieve remote command execution in specific scenarios. The issue stems from how certain component property updates are hydrated. This vulnerability is unique to Livewire v3 and does not affect prior major versions. Exploitation requires a component to be mounted and configured in a particular way, but does not require authentication or user interaction.
This issue has been patched in Livewire v3.6.4. All users are strongly encouraged to upgrade to this version or later as soon as possible.
There is no known workaround at this time. Users are strongly advised to upgrade to a patched version immediately.
No public references available at this time to avoid exposure. Details will be published after a responsible disclosure window.
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